===================================== 2022-11-08 15:16:58 0x33b4 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 2 seconds ----------------- BACKGROUND THREAD ----------------- srv_master_thread loops: 7 srv_active, 0 srv_shutdown, 377 srv_idle srv_master_thread log flush and writes: 384 ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 11 OS WAIT ARRAY INFO: signal count 11 RW-shared spins 0, rounds 21, OS waits 9 RW-excl spins 0, rounds 0, OS waits 0 RW-sx spins 0, rounds 0, OS waits 0 Spin rounds per wait: 21.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx ------------ TRANSACTIONS ------------ Trx id counter 192022 Purge done for trx's n:o < 192021 undo n:o < 0 state: running but idle History list length 2 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 283909330206208, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 283909330204464, not started 0 lock struct(s), heap size 1136, 0 row lock(s) ---TRANSACTION 192021, ACTIVE 6 sec fetching rows mysql tables in use 1, locked 1 LOCK WAIT 3 lock struct(s), heap size 1136, 6 row lock(s), undo log entries 5 MySQL thread id 6, OS thread handle 9352, query id 107 localhost 127.0.0.1 root updating DELETE FROM my_table WHERE id BETWEEN 1 AND 5 ------- TRX HAS BEEN WAITING 6 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 50 page no 3 n bits 80 index PRIMARY of table `main`.`my_table` trx id 192021 lock_mode X locks rec but not gap waiting Record lock, heap no 7 PHYSICAL RECORD: n_fields 4; compact format; info bits 32 0: len 4; hex 00000006; asc ;; 1: len 6; hex 00000002ee10; asc ;; 2: len 7; hex 2e000002240453; asc . $ S;; 3: len 1; hex 81; asc ;; ------------------ ---TRANSACTION 192016, ACTIVE 8 sec 2 lock struct(s), heap size 1136, 5 row lock(s), undo log entries 5 MySQL thread id 5, OS thread handle 16236, query id 104 localhost 127.0.0.1 root -------- FILE I/O -------- I/O thread 0 state: wait Windows aio (insert buffer thread) I/O thread 1 state: wait Windows aio (log thread) I/O thread 2 state: wait Windows aio (read thread) I/O thread 3 state: wait Windows aio (read thread) I/O thread 4 state: wait Windows aio (read thread) I/O thread 5 state: wait Windows aio (read thread) I/O thread 6 state: wait Windows aio (write thread) I/O thread 7 state: wait Windows aio (write thread) I/O thread 8 state: wait Windows aio (write thread) I/O thread 9 state: wait Windows aio (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: 0; buffer pool: 0 752 OS file reads, 138 OS file writes, 55 OS fsyncs 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 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) Hash table size 69257, node heap has 0 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 81910451 Log flushed up to 81910451 Pages flushed up to 81910451 Last checkpoint at 81910442 0 pending log flushes, 0 pending chkp writes 35 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total large memory allocated 274595840 Dictionary memory allocated 134757 Buffer pool size 16384 Free buffers 15621 Database pages 763 Old database pages 301 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages made young 0, not young 0 0.00 youngs/s, 0.00 non-youngs/s Pages read 722, created 41, written 88 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: 763, 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=4972, Main thread ID=10472, state: sleeping Number of rows inserted 180, updated 0, deleted 10, read 279 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================