2020-02-26T02:27:05.038797Z 0 [System] [MY-010116] [Server] /opt/bitnami/mysql/bin/mysqld (mysqld 8.0.18) starting as process 1 2020-02-26T02:27:05.041174Z 0 [Warning] [MY-013242] [Server] --character-set-server: 'utf8' is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous. 2020-02-26T02:27:05.041184Z 0 [Warning] [MY-013244] [Server] --collation-server: 'utf8_general_ci' is a collation of the deprecated character set UTF8MB3. Please consider using UTF8MB4 with an appropriate collation instead. 2020-02-26T02:27:05.470345Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2020-02-26T02:27:05.512476Z 0 [System] [MY-010931] [Server] /opt/bitnami/mysql/bin/mysqld: ready for connections. Version: '8.0.18' socket: '/opt/bitnami/mysql/tmp/mysql.sock' port: 3306 Source distribution. 2020-02-26T02:27:05.697680Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Socket: '/tmp/mysqlx.sock' bind-address: '::' port: 33060 2020-02-26T08:25:25.130220Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 241 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:25:25.231230Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 241 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:25:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 28 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1299 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 242 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 242 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1019 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8868 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 242 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.04 non-hash searches/s --- LOG --- Log sequence number 38911167 Log buffer assigned up to 38911167 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911167 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68005 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.21 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:25:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1299 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 262 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 262 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1019 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8868 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 262 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911167 Log buffer assigned up to 38911167 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911167 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68007 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:25:56.231690Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 272 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:25:56.231751Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 272 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:26:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1299 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 282 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 282 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1019 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8869 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8868, ACTIVE 8 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 23980 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 8 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8868 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 282 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911177 Log buffer assigned up to 38911177 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911177 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68009 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:26:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1299 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 302 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 302 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1019 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8869 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8868, ACTIVE 28 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 23980 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 28 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8868 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 302 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911177 Log buffer assigned up to 38911177 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911177 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68009 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:26:27.232208Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 303 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:26:27.232265Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 303 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:26:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1299 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 322 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 322 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1019 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8869 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8868, ACTIVE 48 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 23980 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 48 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8868 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 322 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911177 Log buffer assigned up to 38911177 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911177 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68011 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:26:58.233073Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 334 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:26:58.233151Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 334 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:27:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 342 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 342 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8869, ACTIVE 4 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24012 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 4 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8869 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 342 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68013 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:27:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 362 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 362 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8869, ACTIVE 24 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24012 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 24 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8869 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 362 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68013 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:27:29.233763Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 365 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:27:29.233836Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 365 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:27:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 382 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 382 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8869, ACTIVE 44 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24012 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 44 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8869 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 382 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68015 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:28:00.234370Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 396 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:28:00.234439Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 396 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:28:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 402 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 402 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 402 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68049 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.70 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:28:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 422 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 422 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 422 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.05 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68054 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.25 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:28:31.234975Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 427 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:28:31.235049Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 427 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:28:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 442 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 442 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 442 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.05 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68088 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.70 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:29:02.235575Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 458 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:29:02.235642Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 458 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:29:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 462 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 462 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 462 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68090 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:29:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 482 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 482 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 482 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68090 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:29:33.236183Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 489 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:29:33.236258Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 489 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:29:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 502 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 502 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 502 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68092 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:30:04.236804Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 520 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:30:04.236874Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 520 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:30:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 522 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 522 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 522 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68094 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:30:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 542 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 542 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 542 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68094 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:30:35.237440Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 551 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:30:35.237507Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 551 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:30:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1301 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 562 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 562 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1020 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8870 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 562 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911187 Log buffer assigned up to 38911187 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911187 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68096 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:31:06.238044Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 582 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:31:06.238103Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 582 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:31:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 40 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 602 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 602 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8870, ACTIVE 24 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5438, OS thread handle 140160352122624, query id 24147 172.17.42.1 root updating UPDATE kl_license SET subject='koalaLicenseServer', alias='koalaLicensePublicKey', store_pass='koala123', consumer_type='user', consumer_amount=1, type=1, url='http://10.10.8.3:38095/group1/default/20200226/15/57/1/koalaLicensePublicCerts.keystore76', description='公钥', create_time=1582701443649, update_time=1582705861491 WHERE id=340 Trx read view will not see trx with id >= 8870, sees < 8864 ------- TRX HAS BEEN WAITING 24 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8870 lock_mode X locks rec but not gap waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 602 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.02 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68101 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.12 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:31:37.238612Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 613 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:31:37.238679Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 613 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:31:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 622 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 622 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8870, ACTIVE 44 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5438, OS thread handle 140160352122624, query id 24147 172.17.42.1 root updating UPDATE kl_license SET subject='koalaLicenseServer', alias='koalaLicensePublicKey', store_pass='koala123', consumer_type='user', consumer_amount=1, type=1, url='http://10.10.8.3:38095/group1/default/20200226/15/57/1/koalaLicensePublicCerts.keystore76', description='公钥', create_time=1582701443649, update_time=1582705861491 WHERE id=340 Trx read view will not see trx with id >= 8870, sees < 8864 ------- TRX HAS BEEN WAITING 44 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8870 lock_mode X locks rec but not gap waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 622 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68135 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.70 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:32:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 642 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 642 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 642 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.05 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68171 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.80 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:32:08.239501Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 644 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:32:08.239610Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 644 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:32:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 662 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 662 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 662 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68171 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:32:39.240672Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 675 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:32:39.240744Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 675 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:32:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 682 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 682 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 682 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68173 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:33:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 702 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 702 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 702 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68175 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:33:10.241302Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 706 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:33:10.241448Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 706 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:33:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 722 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 722 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 722 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68175 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:33:41.242004Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 737 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:33:41.242049Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 737 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:33:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1302 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 742 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 742 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1021 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8871 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8864, ACTIVE 742 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911197 Log buffer assigned up to 38911197 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911197 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68177 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:34:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 762 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 762 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8872 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262347456, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8871, ACTIVE 7 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24248 172.17.42.1 root updating DELETE FROM `osmagic_license`.`kl_license` WHERE `id` = 340 ------- TRX HAS BEEN WAITING 7 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8871 lock_mode X locks rec but not gap waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 762 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 1.60 hash searches/s, 0.50 non-hash searches/s --- LOG --- Log sequence number 38911207 Log buffer assigned up to 38911207 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911207 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 6 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 93, read 68217 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:34:12.242471Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 768 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:34:12.242539Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 768 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:34:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 782 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 782 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8873 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8872, ACTIVE (PREPARED) 13 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8871, ACTIVE 27 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24248 172.17.42.1 root updating DELETE FROM `osmagic_license`.`kl_license` WHERE `id` = 340 ------- TRX HAS BEEN WAITING 27 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8871 lock_mode X locks rec but not gap waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 782 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 12.75 hash searches/s, 10.25 non-hash searches/s --- LOG --- Log sequence number 38911564 Log buffer assigned up to 38911564 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911564 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68752 0.00 inserts/s, 0.00 updates/s, 0.05 deletes/s, 26.75 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:34:43.243062Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 799 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:34:43.243130Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 799 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:34:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 802 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 802 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8873 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8872, ACTIVE (PREPARED) 33 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8871, ACTIVE 47 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24248 172.17.42.1 root updating DELETE FROM `osmagic_license`.`kl_license` WHERE `id` = 340 ------- TRX HAS BEEN WAITING 47 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8871 lock_mode X locks rec but not gap waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8864, ACTIVE 802 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 4.50 hash searches/s, 3.75 non-hash searches/s --- LOG --- Log sequence number 38911564 Log buffer assigned up to 38911564 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911564 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68949 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 9.85 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:35:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 822 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 822 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8874 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8873, ACTIVE 19 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5582, OS thread handle 140174269048576, query id 24374 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 19 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8873 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8872, ACTIVE (PREPARED) 53 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 822 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911574 Log buffer assigned up to 38911574 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911574 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68983 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1.70 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:35:14.243654Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 830 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:35:14.243723Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 830 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:35:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 842 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 842 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8874 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8873, ACTIVE 39 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5582, OS thread handle 140174269048576, query id 24374 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 39 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8873 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8872, ACTIVE (PREPARED) 73 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 842 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911574 Log buffer assigned up to 38911574 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911574 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68983 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:35:45.244294Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 861 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:35:45.244385Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 861 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:35:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 862 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 862 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8874 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8872, ACTIVE (PREPARED) 93 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 862 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911574 Log buffer assigned up to 38911574 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911574 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68985 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:36:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 882 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 882 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8874 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8872, ACTIVE (PREPARED) 113 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 882 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 38911574 Log buffer assigned up to 38911574 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911574 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 68987 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.10 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:36:16.244883Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 892 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:36:16.244941Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 892 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:36:25 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 902 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 902 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8874 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262350072, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8872, ACTIVE (PREPARED) 133 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 902 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 5.40 hash searches/s, 5.55 non-hash searches/s --- LOG --- Log sequence number 38911574 Log buffer assigned up to 38911574 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911574 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 69201 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 10.70 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ ===================================== 2020-02-26 16:36:45 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 922 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 922 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8875 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262350944, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262328272, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8874, ACTIVE 14 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5610, OS thread handle 140174270523136, query id 24453 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 14 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8874 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8872, ACTIVE (PREPARED) 153 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 922 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 5 buffer(s) 9.70 hash searches/s, 3.50 non-hash searches/s --- LOG --- Log sequence number 38911584 Log buffer assigned up to 38911584 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911584 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 8 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 0 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5448, updated 6619, deleted 94, read 69444 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 12.15 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:36:47.245441Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 923 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 2020-02-26T08:36:47.245509Z 0 [Warning] [MY-012985] [InnoDB] A long semaphore wait: --Thread 140174243981056 has waited at trx0undo.ic line 129 for 923 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 InnoDB: ###### Starts InnoDB Monitor for 30 secs to print diagnostic info: InnoDB: Pending preads 0, pwrites 1 ===================================== 2020-02-26 16:37:05 0x7f7f154f4700 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 20 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 1176 srv_active, 0 srv_shutdown, 20077 srv_idle srv_master_thread log flush and writes: 0 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 1303 --Thread 140183775418112 has waited at srv0srv.cc line 1886 for 942 seconds the semaphore: X-lock on RW-latch at 0x7f7f2c41b2b8 created in file dict0dict.cc line 1035 a writer (thread id 140183699916544) has reserved it in mode exclusive number of readers 0, waiters flag 1, lock_word: 0 Last time read locked in file not yet reserved line 0 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/dict/dict0stats.cc line 2066 --Thread 140174243981056 has waited at trx0undo.ic line 129 for 942 seconds the semaphore: X-lock on RW-latch at 0x7f7f1bd21988 created in file buf0buf.cc line 781 a writer (thread id 140184125413120) has reserved it in mode SX number of readers 0, waiters flag 1, lock_word: 10000000 Last time read locked in file trx0undo.ic line 143 Last time write locked in file /bitnami/blacksmith-sandox/mysql-8.0.18/storage/innobase/buf/buf0flu.cc line 1347 OS WAIT ARRAY INFO: signal count 1022 RW-shared spins 18, rounds 19, OS waits 2 RW-excl spins 41, rounds 668, OS waits 18 RW-sx spins 5, rounds 70, OS waits 1 Spin rounds per wait: 1.06 RW-shared, 16.29 RW-excl, 14.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 8877 Purge done for trx's n:o < 8867 undo n:o < 0 state: running but idle History list length 26 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 421659262352688, not started flushing log 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262350944, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262349200, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262348328, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262346584, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262345712, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330016, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262327400, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262343096, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262344840, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262342224, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336992, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262341352, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262340480, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262338736, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262337864, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262336120, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262335248, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262334376, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262333504, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262332632, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262331760, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262330888, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262329144, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 421659262326528, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 8876, ACTIVE 10 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5482, OS thread handle 140160347404032, query id 24488 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 10 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8876 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8874, ACTIVE 34 sec starting index read mysql tables in use 1, locked 1 LOCK WAIT 2 lock struct(s), heap size 1136, 1 row lock(s) MySQL thread id 5610, OS thread handle 140174270523136, query id 24453 172.17.42.1 root updating DELETE FROM `kl_license` ------- TRX HAS BEEN WAITING 34 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 2 page no 4 n bits 72 index PRIMARY of table `osmagic_license`.`kl_license` trx id 8874 lock_mode X waiting Record lock, heap no 2 PHYSICAL RECORD: n_fields 17; compact format; info bits 32 0: len 4; hex 80000154; asc T;; 1: len 6; hex 0000000022a0; asc " ;; 2: len 7; hex 01000001911a6e; asc n;; 3: SQL NULL; 4: len 18; hex 6b6f616c614c6963656e7365536572766572; asc koalaLicenseServer;; 5: len 21; hex 6b6f616c614c6963656e73655075626c69634b6579; asc koalaLicensePublicKey;; 6: SQL NULL; 7: len 8; hex 6b6f616c61313233; asc koala123;; 8: SQL NULL; 9: len 4; hex 75736572; asc user;; 10: len 4; hex 80000001; asc ;; 11: len 4; hex 80000001; asc ;; 12: len 30; hex 687474703a2f2f31302e31302e382e333a33383039352f67726f7570312f; asc http://10.10.8.3:38095/group1/; (total 89 bytes); 13: len 6; hex e585ace992a5; asc ;; 14: len 8; hex 80000170805b7a41; asc p [zA;; 15: len 8; hex 8000017080789865; asc p x e;; 16: SQL NULL; ------------------ ---TRANSACTION 8872, ACTIVE (PREPARED) 173 sec mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1 MySQL thread id 5577, OS thread handle 140183639803648, query id 24263 172.17.42.1 root waiting for handler commit DELETE FROM `osmagic_license`.`kl_license_certificate` WHERE `id` = 37 ---TRANSACTION 8864, ACTIVE 942 sec preparing mysql tables in use 1, locked 1 2 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1 MySQL thread id 5405, OS thread handle 140174243981056, query id 23728 172.17.42.1 root waiting for handler commit DELETE FROM `kl_license` -------- FILE I/O -------- I/O thread 0 state: waiting for completed aio requests (insert buffer thread) I/O thread 1 state: waiting for completed aio requests (log thread) I/O thread 2 state: waiting for completed aio requests (read thread) I/O thread 3 state: waiting for completed aio requests (read thread) I/O thread 4 state: waiting for completed aio requests (read thread) I/O thread 5 state: waiting for completed aio requests (read thread) I/O thread 6 state: waiting for completed aio requests (write thread) I/O thread 7 state: waiting for completed aio requests (write thread) I/O thread 8 state: waiting for completed aio requests (write thread) I/O thread 9 state: waiting for completed aio requests (write thread) Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] , ibuf aio reads:, log i/o's:, sync i/o's: Pending flushes (fsync) log: 1; buffer pool: 2 1274 OS file reads, 25447 OS file writes, 19445 OS fsyncs 0 pending preads, 1 pending pwrites 0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s ------------------------------------- INSERT BUFFER AND ADAPTIVE HASH INDEX ------------------------------------- Ibuf: size 1, free list len 0, seg size 2, 0 merges merged operations: insert 0, delete mark 0, delete 0 discarded operations: insert 0, delete mark 0, delete 0 Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 2 buffer(s) Hash table size 34679, node heap has 1 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 3 buffer(s) Hash table size 34679, node heap has 4 buffer(s) Hash table size 34679, node heap has 6 buffer(s) 126.49 hash searches/s, 14.95 non-hash searches/s --- LOG --- Log sequence number 38911855 Log buffer assigned up to 38911855 Log buffer completed up to 38911147 Log written up to 38910662 Log flushed up to 38910503 Added dirty pages up to 38911855 Pages flushed up to 38910503 Last checkpoint at 38910503 12329 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 137363456 Dictionary memory allocated 1185821 Buffer pool size 8192 Free buffers 6325 Database pages 1843 Old database pages 660 Modified db pages 10 Pending reads 0 Pending writes: LRU 0, flush list 2, single page 0 Pages made young 11, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 1249, created 594, written 9132 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 0 / 1000 Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s LRU len: 1843, unzip_LRU len: 0 I/O sum[0]:cur[0], unzip sum[0]:cur[0] -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Process ID=1, Main thread ID=140183775418112 , state=enforcing dict cache limit Number of rows inserted 5449, updated 6619, deleted 94, read 72030 0.05 inserts/s, 0.00 updates/s, 0.00 deletes/s, 129.29 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ InnoDB: ###### Diagnostic info printed to the standard error stream 2020-02-26T08:37:17.245991Z 0 [ERROR] [MY-012872] [InnoDB] [FATAL] Semaphore wait has lasted > 600 seconds. We intentionally crash the server because it appears to be hung. 2020-02-26T08:37:17.246154Z 0 [ERROR] [MY-013183] [InnoDB] Assertion failure: ut0ut.cc:532 thread 140183803483904 InnoDB: We intentionally generate a memory trap. InnoDB: Submit a detailed bug report to http://bugs.mysql.com. InnoDB: If you get repeated assertion failures or crashes, even InnoDB: immediately after the mysqld startup, there may be InnoDB: corruption in the InnoDB tablespace. Please refer to InnoDB: http://dev.mysql.com/doc/refman/8.0/en/forcing-innodb-recovery.html InnoDB: about forcing recovery. 08:37:17 UTC - mysqld got signal 6 ; Most likely, you have hit a bug, but this error can also be caused by malfunctioning hardware. Thread pointer: 0x0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0 thread_stack 0x46000 /opt/bitnami/mysql/bin/mysqld(my_print_stacktrace(unsigned char const*, unsigned long)+0x2e) [0x558dc61244fe] /opt/bitnami/mysql/bin/mysqld(handle_fatal_signal+0x351) [0x558dc5254391] /lib/x86_64-linux-gnu/libpthread.so.0(+0x110e0) [0x7f7f4792d0e0] /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcf) [0x7f7f45b73fff] /lib/x86_64-linux-gnu/libc.so.6(abort+0x16a) [0x7f7f45b7542a] /opt/bitnami/mysql/bin/mysqld(ut_dbg_assertion_failed(char const*, char const*, unsigned long)+0x2e3) [0x558dc63e6fe3] /opt/bitnami/mysql/bin/mysqld(ib::fatal::~fatal()+0x16c) [0x558dc63ea0ec] /opt/bitnami/mysql/bin/mysqld(srv_error_monitor_thread()+0x733) [0x558dc63818e3] /opt/bitnami/mysql/bin/mysqld(std::thread::_State_impl >::_M_run()+0xb3) [0x558dc6287643] /usr/lib/x86_64-linux-gnu/libstdc++.so.6(+0xb9e6f) [0x7f7f464b4e6f] /lib/x86_64-linux-gnu/libpthread.so.0(+0x74a4) [0x7f7f479234a4] /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f) [0x7f7f45c29d0f] The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash.