Re: MySQL lock wait timeout exceeded need help badly
Posted by:
Jay Izzo
Date: March 18, 2006 09:02PM
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060318 22:00:41 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 23 seconds
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 56, signal count 56
Mutex spin waits 49, rounds 627, OS waits 11
RW-shared spins 88, OS waits 44; RW-excl spins 1, OS waits 1
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TRANSACTIONS
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Trx id counter 0 56791
Purge done for trx's n:o < 0 56790 undo n:o < 0 0
History list length 9
Total number of lock structs in row lock hash table 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 0 0, not started, OS thread id 2040
MySQL thread id 28, query id 1393 localhost 127.0.0.1 root
SHOW INNODB STATUS
---TRANSACTION 0 56790, not started, OS thread id 2716
MySQL thread id 27, query id 1392 localhost 127.0.0.1 root
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FILE I/O
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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 (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
32 OS file reads, 633 OS file writes, 295 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf for space 0: size 1, free list len 0, seg size 2, is empty
Ibuf for space 0: 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, 0.00 non-hash searches/s
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LOG
---
Log sequence number 0 283835
Log flushed up to 0 283835
Last checkpoint at 0 283835
0 pending log writes, 0 pending chkp writes
154 log i/o's done, 0.00 log i/o's/second
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BUFFER POOL AND MEMORY
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Total memory allocated 14280458; in additional pool allocated 192128
Buffer pool size 512
Free buffers 478
Database pages 33
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages read 22, created 11, written 427
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
Main thread id 1864, state: waiting for server activity
Number of rows inserted 16, updated 0, deleted 4, read 167
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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