Moteurs de stockage

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Mémoire tampon | État InnoDB ]

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2026-08-01 11:08:33 0x24f0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 33 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1061266 srv_active, 0 srv_shutdown, 376444 srv_idle
srv_master_thread log flush and writes: 1437710
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 984615
OS WAIT ARRAY INFO: signal count 859038
RW-shared spins 407334, rounds 11677549, OS waits 386771
RW-excl spins 5907, rounds 162654, OS waits 5173
RW-sx spins 290, rounds 8086, OS waits 240
Spin rounds per wait: 28.67 RW-shared, 27.54 RW-excl, 27.88 RW-sx
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TRANSACTIONS
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Trx id counter 69954528
Purge done for trx's n:o < 69954528 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 282927380099360, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282927380095192, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282927380091024, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 0; buffer pool: 0
1920335 OS file reads, 15016444 OS file writes, 8429952 OS fsyncs
1.67 reads/s, 16384 avg bytes/read, 13.79 writes/s, 7.36 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 0 merges
merged operations:
 insert 0, delete mark 0, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
25.79 hash searches/s, 46.03 non-hash searches/s
---
LOG
---
Log sequence number 43635461095
Log flushed up to   43635461095
Pages flushed up to 43635461095
Last checkpoint at  43635460768
0 pending log flushes, 0 pending chkp writes
4311018 log i/o's done, 3.64 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 247896
Buffer pool size   1003
Free buffers       742
Database pages     256
Old database pages 0
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 13541, not young 863009
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1920221, created 65125, written 9137198
1.00 reads/s, 0.00 creates/s, 6.33 writes/s
Buffer pool hit rate 992 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 256, unzip_LRU len: 0
I/O sum[508]:cur[3], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=6012, Main thread ID=8116, state: sleeping
Number of rows inserted 729, updated 2396820, deleted 40, read 103598742
0.00 inserts/s, 2.21 updates/s, 0.00 deletes/s, 21.73 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 213904
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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