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123 lines
5.4 KiB
Plaintext
123 lines
5.4 KiB
Plaintext
=====================================
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070913 17:13:09 INNODB MONITOR OUTPUT
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=====================================
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Per second averages calculated from the last 20 seconds
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----------
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SEMAPHORES
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----------
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OS WAIT ARRAY INFO: reservation count 49, signal count 49
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Mutex spin waits 0, rounds 980, OS waits 0
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RW-shared spins 27, OS waits 13; RW-excl spins 43, OS waits 36
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------------------------
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LATEST FOREIGN KEY ERROR
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------------------------
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070913 11:06:03 Error in foreign key constraint of table test/child:
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there is no index in referenced table which would contain
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the columns as the first columns, or the data types in the
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referenced table do not match to the ones in table. Constraint:
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,
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CONSTRAINT child_ibfk_1 FOREIGN KEY (parent_id) REFERENCES parent (parent_id)
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The index in the foreign key in table is parent_id
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See http://dev.mysql.com/doc/refman/5.0/en/innodb-foreign-key-constraints.html
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for correct foreign key definition.
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------------------------
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LATEST DETECTED DEADLOCK
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------------------------
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070913 11:14:21
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*** (1) TRANSACTION:
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TRANSACTION 0 3793488, ACTIVE 2 sec, process no 5488, OS thread id 1141287232 starting index read
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mysql tables in use 1, locked 1
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LOCK WAIT 4 lock struct(s), heap size 1216
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MySQL thread id 11, query id 350 localhost baron Updating
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update test.innotop_dl set a = 0 where a <> 0
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*** (1) WAITING FOR THIS LOCK TO BE GRANTED:
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RECORD LOCKS space id 0 page no 3662 n bits 72 index `GEN_CLUST_INDEX` of table `test/innotop_dl` trx id 0 3793488 lock_mode X waiting
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Record lock, heap no 2 PHYSICAL RECORD: n_fields 4; compact format; info bits 0
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0: len 6; hex 000000000501; asc ;; 1: len 6; hex 00000039e24f; asc 9 O;; 2: len 7; hex 8000000e490110; asc I ;; 3: len 4; hex 80000000; asc ;;
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*** (2) TRANSACTION:
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TRANSACTION 0 3793489, ACTIVE 2 sec, process no 5488, OS thread id 1141422400 starting index read, thread declared inside InnoDB 500
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mysql tables in use 1, locked 1
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4 lock struct(s), heap size 1216
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MySQL thread id 12, query id 351 localhost baron Updating
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update test.innotop_dl set a = 1 where a <> 1
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*** (2) HOLDS THE LOCK(S):
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RECORD LOCKS space id 0 page no 3662 n bits 72 index `GEN_CLUST_INDEX` of table `test/innotop_dl` trx id 0 3793489 lock mode S
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Record lock, heap no 1 PHYSICAL RECORD: n_fields 1; compact format; info bits 0
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0: len 8; hex 73757072656d756d; asc supremum;;
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Record lock, heap no 2 PHYSICAL RECORD: n_fields 4; compact format; info bits 0
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0: len 6; hex 000000000501; asc ;; 1: len 6; hex 00000039e24f; asc 9 O;; 2: len 7; hex 8000000e490110; asc I ;; 3: len 4; hex 80000000; asc ;;
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Record lock, heap no 3 PHYSICAL RECORD: n_fields 4; compact format; info bits 0
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0: len 6; hex 000000000502; asc ;; 1: len 6; hex 00000039e24f; asc 9 O;; 2: len 7; hex 8000000e49011f; asc I ;; 3: len 4; hex 80000001; asc ;;
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*** (2) WAITING FOR THIS LOCK TO BE GRANTED:
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RECORD LOCKS space id 0 page no 3662 n bits 72 index `GEN_CLUST_INDEX` of table `test/innotop_dl` trx id 0 3793489 lock_mode X waiting
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Record lock, heap no 2 PHYSICAL RECORD: n_fields 4; compact format; info bits 0
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0: len 6; hex 000000000501; asc ;; 1: len 6; hex 00000039e24f; asc 9 O;; 2: len 7; hex 8000000e490110; asc I ;; 3: len 4; hex 80000000; asc ;;
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*** WE ROLL BACK TRANSACTION (2)
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------------
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TRANSACTIONS
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------------
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Trx id counter 0 3793495
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Purge done for trx's n:o < 0 3793493 undo n:o < 0 0
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History list length 13
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Total number of lock structs in row lock hash table 0
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LIST OF TRANSACTIONS FOR EACH SESSION:
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---TRANSACTION 0 0, not started, process no 5488, OS thread id 1141152064
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MySQL thread id 17, query id 532 localhost baron
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show innodb status
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--------
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FILE I/O
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--------
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I/O thread 0 state: waiting for i/o request (insert buffer thread)
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I/O thread 1 state: waiting for i/o request (log thread)
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I/O thread 2 state: waiting for i/o request (read thread)
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I/O thread 3 state: waiting for i/o request (write thread)
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Pending normal aio reads: 0, aio writes: 0,
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ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0
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Pending flushes (fsync) log: 0; buffer pool: 0
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509 OS file reads, 163 OS file writes, 77 OS fsyncs
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0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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-------------------------------------
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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-------------------------------------
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Ibuf: size 1, free list len 134, seg size 136,
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0 inserts, 0 merged recs, 0 merges
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Hash table size 17393, used cells 0, node heap has 1 buffer(s)
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0.00 hash searches/s, 0.00 non-hash searches/s
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---
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LOG
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---
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Log sequence number 1 313053848
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Log flushed up to 1 313053848
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Last checkpoint at 1 313053848
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0 pending log writes, 0 pending chkp writes
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49 log i/o's done, 0.00 log i/o's/second
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----------------------
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BUFFER POOL AND MEMORY
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----------------------
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Total memory allocated 20866970; in additional pool allocated 1048576
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Buffer pool size 512
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Free buffers 1
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Database pages 510
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Modified db pages 0
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Pending reads 0
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Pending writes: LRU 0, flush list 0, single page 0
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Pages read 628, created 0, written 210
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0.00 reads/s, 0.00 creates/s, 0.00 writes/s
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No buffer pool page gets since the last printout
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--------------
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ROW OPERATIONS
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--------------
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0 queries inside InnoDB, 0 queries in queue
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1 read views open inside InnoDB
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Main thread process no. 5488, id 1140881728, state: waiting for server activity
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Number of rows inserted 5, updated 1, deleted 0, read 214062
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0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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----------------------------
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END OF INNODB MONITOR OUTPUT
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============================
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