mysql> show innodb status; | Type | Name | Status | +--------+------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | InnoDB | | ===================================== 091130 15:33:52 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 12 seconds ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 91046, signal count 90890 Mutex spin waits 0, rounds 2901983, OS waits 44579 RW-shared spins 53960, OS waits 25895; RW-excl spins 16420, OS waits 10345 ------------ TRANSACTIONS ------------ Trx id counter 0 62934653 Purge done for trx's n:o < 0 62933474 undo n:o < 0 0 History list length 14 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 0 61437380, not started, process no 13548, OS thread id 1075030336 MySQL thread id 34689, query id 19287584 web1 192.168.20.10 jcamp ---TRANSACTION 0 0, not started, process no 13548, OS thread id 1098135872 MySQL thread id 34665, query id 19289875 localhost jcamp show innodb status ---TRANSACTION 0 59741354, not started, process no 13548, OS thread id 1096227136 MySQL thread id 6650, query id 9592375 localhost jcamp Sending data update medianet_track mt set mt.track_count_same = (select count(mt1.track_id) from medianet_track1 mt1 where mt1.medianet_id = mt.medianet_id) ---TRANSACTION 0 62934649, ACTIVE 1181 sec, process no 13548, OS thread id 1096759616, thread declared inside InnoDB 498 mysql tables in use 1, locked 1 3 lock struct(s), heap size 1216, 3 row lock(s) MySQL thread id 35896, query id 19287048 localhost jcamp end DELETE FROM mysql.ndb_binlog_index WHERE File='/var/lib/mysql-cluster/mysql-replication-bin.000108' ---TRANSACTION 0 62933475, ACTIVE 1181 sec, process no 13548, OS thread id 1100286272, thread declared inside InnoDB 499 mysql tables in use 1, locked 1 2 lock struct(s), heap size 368, 1 row lock(s), undo log entries 1 MySQL thread id 35251, query id 19285450 localhost jcamp end update album_credit_update set descriptor_id = 621,artist_id = 277253,album_id = 671009 where id = 7467296 Trx read view will not see trx with id >= 0 62933476, sees < 0 62933476 -------- FILE I/O -------- I/O thread 0 state: waiting for i/o request (insert buffer thread) I/O thread 1 state: waiting for i/o request (log thread) I/O thread 2 state: waiting for i/o request (read thread) I/O thread 3 state: waiting for i/o request (write thread) Pending normal aio reads: 0, aio writes: 0, ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0 Pending flushes (fsync) log: 0; buffer pool: 0 2556215 OS file reads, 9353923 OS file writes, 78074 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 12305, seg size 12307, 97415 inserts, 97415 merged recs, 9038 merges Hash table size 553253, node heap has 2 buffer(s) 0.00 hash searches/s, 0.00 non-hash searches/s --- LOG --- Log sequence number 43 507213911 Log flushed up to 43 507213911 Last checkpoint at 43 507213911 0 pending log writes, 0 pending chkp writes 7973716 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total memory allocated 312618224; in additional pool allocated 1048576 Dictionary memory allocated 397880 Buffer pool size 16384 Free buffers 1 Database pages 16381 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages read 3269642, created 21155, written 1751353 0.00 reads/s, 0.00 creates/s, 0.00 writes/s No buffer pool page gets since the last printout -------------- ROW OPERATIONS -------------- 2 queries inside InnoDB, 0 queries in queue 2 read views open inside InnoDB Main thread process no. 13548, id 1179052352, state: waiting for server activity Number of rows inserted 14, updated 10541097, deleted 0, read 221185799 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ | 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1 row in set, 1 warning (0.00 sec)