Moteurs de stockage

InnoDB

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

[ Variables | Mémoire tampon | État InnoDB ]

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2026-06-10 03:38:18 0x62a8 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 12 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 17861 srv_active, 0 srv_shutdown, 800850 srv_idle
srv_master_thread log flush and writes: 818711
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 103045
OS WAIT ARRAY INFO: signal count 39734
RW-shared spins 14905, rounds 445086, OS waits 14516
RW-excl spins 796, rounds 40470, OS waits 1252
RW-sx spins 6, rounds 44, OS waits 1
Spin rounds per wait: 29.86 RW-shared, 50.84 RW-excl, 7.33 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 373065
Purge done for trx's n:o < 373065 undo n:o < 0 state: running
History list length 9
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283064779747760, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779731088, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779739424, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779781104, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779743592, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779735256, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779756096, 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
100032 OS file reads, 187713 OS file writes, 124407 OS fsyncs
14.50 reads/s, 16384 avg bytes/read, 4.25 writes/s, 2.83 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 6 buffer(s)
Hash table size 4441, node heap has 4 buffer(s)
Hash table size 4441, node heap has 3 buffer(s)
Hash table size 4441, node heap has 3 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
389.38 hash searches/s, 138.82 non-hash searches/s
---
LOG
---
Log sequence number 227187741
Log flushed up to   227187705
Pages flushed up to 227187705
Last checkpoint at  227185300
0 pending log flushes, 0 pending chkp writes
65606 log i/o's done, 1.58 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2025736
Buffer pool size   1003
Free buffers       725
Database pages     258
Old database pages 0
Modified db pages  1
Percent of dirty pages(LRU & free pages): 0.102
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 898, not young 130264
0.00 youngs/s, 0.00 non-youngs/s
Pages read 93436, created 1126, written 102355
10.17 reads/s, 0.00 creates/s, 2.17 writes/s
Buffer pool hit rate 991 / 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: 258, unzip_LRU len: 0
I/O sum[873]:cur[8], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4588, Main thread ID=8424, state: sleeping
Number of rows inserted 275, updated 19616, deleted 174, read 39834569
0.00 inserts/s, 0.75 updates/s, 0.00 deletes/s, 9.75 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 761900
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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