mysql> show innodb status\G *************************** 1. row *************************** Status: ===================================== 080320 19:02:17 INNODB MONITOR OUTPUT ===================================== Per second averages calculated from the last 9 seconds ---------- SEMAPHORES ---------- OS WAIT ARRAY INFO: reservation count 38, signal count 38 Mutex spin waits 0, rounds 1460, OS waits 0 RW-shared spins 77, OS waits 38; RW-excl spins 1, OS waits 0 ------------ TRANSACTIONS ------------ Trx id counter 0 1468 Purge done for trx's n:o < 0 1462 undo n:o < 0 0 History list length 9 Total number of lock structs in row lock hash table 3 LIST OF TRANSACTIONS FOR EACH SESSION: ---TRANSACTION 0 0, not started, process no 5339, OS thread id 2968009616 MySQL thread id 1694, query id 1077610 localhost root show innodb status ---TRANSACTION 0 1467, ACTIVE 1 sec, process no 5339, OS thread id 3019139984 fetching rows mysql tables in use 1, locked 1 LOCK WAIT 3 lock struct(s), heap size 320 MySQL thread id 1695, query id 1077609 localhost misha Updating update st6431 set textfield='newblablabla' where id<5 ------- TRX HAS BEEN WAITING 1 SEC FOR THIS LOCK TO BE GRANTED: RECORD LOCKS space id 0 page no 45 n bits 88 index `PRIMARY` of table `test/st6431` trx id 0 1467 lock_mode X waiting Record lock, heap no 6 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000005; asc ;; 1: len 6; hex 0000000005a9; asc ;; 2: len 7; hex 80000000350110; asc 5 ;; 3: len 9; hex 626c61626c61626c61; asc blablabla;; ------------------ TABLE LOCK table `test/st6431` trx id 0 1467 lock mode IX RECORD LOCKS space id 0 page no 45 n bits 88 index `PRIMARY` of table `test/st6431` trx id 0 1467 lock_mode X Record lock, heap no 17 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000001; asc ;; 1: len 6; hex 0000000005b4; asc ;; 2: len 7; hex 000000003d1df0; asc = ;; 3: len 12; hex 6e6577626c61626c61626c61; asc newblablabla;; Record lock, heap no 18 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000002; asc ;; 1: len 6; hex 0000000005b4; asc ;; 2: len 7; hex 000000003d1e16; asc = ;; 3: len 12; hex 6e6577626c61626c61626c61; asc newblablabla;; Record lock, heap no 19 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000003; asc ;; 1: len 6; hex 0000000005b4; asc ;; 2: len 7; hex 000000003d1e3c; asc = <;; 3: len 12; hex 6e6577626c61626c61626c61; asc newblablabla;; Record lock, heap no 20 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000004; asc ;; 1: len 6; hex 0000000005b4; asc ;; 2: len 7; hex 000000003d1e62; asc = b;; 3: len 12; hex 6e6577626c61626c61626c61; asc newblablabla;; RECORD LOCKS space id 0 page no 45 n bits 88 index `PRIMARY` of table `test/st6431` trx id 0 1467 lock_mode X waiting Record lock, heap no 6 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000005; asc ;; 1: len 6; hex 0000000005a9; asc ;; 2: len 7; hex 80000000350110; asc 5 ;; 3: len 9; hex 626c61626c61626c61; asc blablabla;; ---TRANSACTION 0 1466, ACTIVE 10 sec, process no 5339, OS thread id 3019275152 2 lock struct(s), heap size 320 MySQL thread id 1679, query id 1077596 localhost misha TABLE LOCK table `test/st6431` trx id 0 1466 lock mode IX RECORD LOCKS space id 0 page no 45 n bits 88 index `PRIMARY` of table `test/st6431` trx id 0 1466 lock_mode X locks rec but not gap Record lock, heap no 6 PHYSICAL RECORD: n_fields 4; compact format; info bits 0 0: len 4; hex 80000005; asc ;; 1: len 6; hex 0000000005a9; asc ;; 2: len 7; hex 80000000350110; asc 5 ;; 3: len 9; hex 626c61626c61626c61; asc blablabla;; -------- 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 41 OS file reads, 289 OS file writes, 212 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 inserts, 0 merged recs, 0 merges Hash table size 34679, used cells 0, node heap has 1 buffer(s) 0.00 hash searches/s, 0.11 non-hash searches/s --- LOG --- Log sequence number 0 465823 Log flushed up to 0 465823 Last checkpoint at 0 465823 0 pending log writes, 0 pending chkp writes 113 log i/o's done, 0.00 log i/o's/second ---------------------- BUFFER POOL AND MEMORY ---------------------- Total memory allocated 17412782; in additional pool allocated 913024 Buffer pool size 512 Free buffers 474 Database pages 37 Modified db pages 0 Pending reads 0 Pending writes: LRU 0, flush list 0, single page 0 Pages read 19, created 18, written 187 0.00 reads/s, 0.00 creates/s, 0.00 writes/s Buffer pool hit rate 1000 / 1000 -------------- ROW OPERATIONS -------------- 0 queries inside InnoDB, 0 queries in queue 1 read views open inside InnoDB Main thread process no. 5339, id 2991385488, state: waiting for server activity Number of rows inserted 2135, updated 2248, deleted 0, read 11733 0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.44 reads/s ---------------------------- END OF INNODB MONITOR OUTPUT ============================ 1 row in set, 1 warning (0.00 sec)