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090507 15:57:51 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 27 seconds
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OS WAIT ARRAY INFO: reservation count 4694218, signal count 9295635
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Mutex spin waits 79626940, rounds 157459864, OS waits 698719
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RW-shared spins 3859028, OS waits 2100750; RW-excl spins 4641946, OS waits 1530310
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Spin rounds per wait: 1.98 mutex, 14.39 RW-shared, 13.15 RW-excl
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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: 1, aio writes: 2,
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ibuf aio reads: 1, log i/o's: 2, sync i/o's: 3
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Pending flushes (fsync) log: 1; buffer pool: 2
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8782182 OS file reads, 15635445 OS file writes, 947800 OS fsyncs
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28.41 reads/s, 25569 avg bytes/read, 23.00 writes/s, 2.26 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 10204, free list len 157151, seg size 167356,
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17549044 inserts, 15956910 merged recs, 1676050 merges
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Hash table size 57374437, node heap has 72964 buffer(s)
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639.20 hash searches/s, 1370.02 non-hash searches/s
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Log sequence number 13093949495856
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Log flushed up to 13093948219327
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Last checkpoint at 13093217877062
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Max checkpoint age 847455806
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Modified age 731618794
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Checkpoint age 731618794
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1 pending log writes, 2 pending chkp writes
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3430041 log i/o's done, 17.44 log i/o's/second
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BUFFER POOL AND MEMORY
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Total memory allocated 29642194944; in additional pool allocated 0
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Internal hash tables (constant factor + variable factor)
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Adaptive hash index 1654507416 (458995496 + 1195511920)
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Dictionary cache 116312344 (114750928 + 1561416)
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File system 172560 (82672 + 89888)
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Lock system 71719560 (71718824 + 736)
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Recovery system 0 (0 + 0)
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Threads 407576 (406936 + 640)
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Dictionary memory allocated 1561416
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Buffer pool size 1769471
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Buffer pool size, bytes 28991012864
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Database pages 1696503
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Modified db pages 160602
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Pending writes: LRU 0, flush list 0, single page 0
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Pages read 15240822, created 1770238, written 21705836
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44.37 reads/s, 2.15 creates/s, 21.18 writes/s
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Buffer pool hit rate 994 / 1000
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LRU len: 1696503, unzip_LRU len: 0
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I/O sum[2417]:cur[4], unzip sum[0]:cur[0]
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1 queries inside InnoDB, 2 queries in queue
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1 read views open inside InnoDB
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Main thread process no. 13510, id 1169914176, state: sleeping
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Number of rows inserted 50678311, updated 66425915, deleted 20605903, read 454561562
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59.55 inserts/s, 434.35 updates/s, 35.15 deletes/s, 469.46 reads/s
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Trx id counter EF861B144C
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Purge done for trx's n:o < 861B135D undo n:o < 0
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History list length 132
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LIST OF TRANSACTIONS FOR EACH SESSION:
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---TRANSACTION 0, not started, process no 13510, OS thread id 1170446656
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MySQL thread id 8561, query id 79637659 linux.trioptima.com 192.168.33.253 mysqltop
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---TRANSACTION 861B144A, not started, process no 13510, OS thread id 1171245376
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MySQL thread id 4096, query id 79637665 Has read all relay log; waiting for the slave I/O thread to update it
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END OF INNODB MONITOR OUTPUT
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added
removed
t/samples/innodb-002.txt
