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110925  3:48:15 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 53 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 188178 1_second, 186777 sleeps, 18817 10_second, 0 background, 0 flush
srv_master_thread log flush and writes: 189740
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 206130, signal count 505641
--Thread 1495927104 has waited at /builddir/build/BUILD/mysql-5.5.8/storage/innobase/trx/trx0trx.c line 991 for 4.00 seconds the semaphore:
Mutex at 0x1546e928 created file /builddir/build/BUILD/mysql-5.5.8/storage/innobase/srv/srv0srv.c line 996, lock var 1
waiters flag 1
....................
Mutex spin waits 23844309, rounds 23744956, OS waits 162736
RW-shared spins 147070, rounds 1329982, OS waits 37121
RW-excl spins 25588, rounds 546053, OS waits 3731
Spin rounds per wait: 1.00 mutex, 9.04 RW-shared, 21.34 RW-excl
FAIL TO OBTAIN KERNEL MUTEX, SKIP LOCK INFO PRINTING
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FILE I/O
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I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (write thread)
Pending normal aio reads: 0 [0, 0, 0, 0] , aio writes: 1 [0, 0, 1, 0] ,
ibuf aio reads: 0, log i/o's: 0, sync i/o's: 0
Pending flushes (fsync) log: 0; buffer pool: 0
1024362 OS file reads, 16310018 OS file writes, 894447 OS fsyncs
0.01 reads/s, 16384 avg bytes/read, 2.10 writes/s, 0.15 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 4928, seg size 4930, 15846 merges
merged operations:
insert 9681, delete mark 9659, delete 659
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 51879403, node heap has 33190 buffer(s)
28934.06 hash searches/s, 9599.44 non-hash searches/s
---
LOG
---
Log sequence number 717496304542
Log flushed up to   717496303172
Last checkpoint at  717488519443
0 pending log writes, 0 pending chkp writes
10354733 log i/o's done, 0.06 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total memory allocated 26828800000; in additional pool allocated 0
Dictionary memory allocated 502834
Buffer pool size   1599999
Free buffers       531045
Database pages     1035764
Old database pages 382362
Modified db pages  4660
Pending reads 0
Pending writes: LRU 0, flush list 127, single page 0
Pages made young 1989, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1024317, created 11447, written 5732938
0.01 reads/s, 0.00 creates/s, 1.96 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
LRU len: 1035764, unzip_LRU len: 0
I/O sum[0]:cur[131], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
14 read views open inside InnoDB
Main thread process no. 4830, id 1198483776, state: making checkpoint
Number of rows inserted 127217, updated 5027457, deleted 7700, read 286840879392
0.04 inserts/s, 0.89 updates/s, 0.00 deletes/s, 94475.92 reads/s
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END OF INNODB MONITOR OUTPUT
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