Moteurs de stockage

InnoDB

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

[ Variables | Mémoire tampon | État InnoDB ]

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2026-11-10 03:06:01 0x59d0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 23 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 191 srv_active, 0 srv_shutdown, 948170 srv_idle
srv_master_thread log flush and writes: 948361
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 315
OS WAIT ARRAY INFO: signal count 287
RW-shared spins 244, rounds 4739, OS waits 152
RW-excl spins 49, rounds 564, OS waits 12
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 19.42 RW-shared, 11.51 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 1394
Purge done for trx's n:o < 1394 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283485840474616, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283485840470448, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283485840466280, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283485840462112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283485840457944, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283485840453776, 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
1406 OS file reads, 3097 OS file writes, 1720 OS fsyncs
7.26 reads/s, 16384 avg bytes/read, 12.04 writes/s, 9.39 fsyncs/s
-------------------------------------
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 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 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)
22.30 hash searches/s, 54.69 non-hash searches/s
---
LOG
---
Log sequence number 1096285
Log flushed up to   1096285
Pages flushed up to 993896
Last checkpoint at  985509
0 pending log flushes, 0 pending chkp writes
1117 log i/o's done, 5.96 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 80128
Buffer pool size   1003
Free buffers       744
Database pages     256
Old database pages 0
Modified db pages  161
Percent of dirty pages(LRU & free pages): 16.084
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1371, created 196, written 1728
7.26 reads/s, 0.00 creates/s, 4.43 writes/s
Buffer pool hit rate 968 / 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[507]:cur[7], 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=3528, Main thread ID=5920, state: sleeping
Number of rows inserted 1, updated 601, deleted 0, read 10333
0.00 inserts/s, 4.74 updates/s, 0.00 deletes/s, 22.43 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1050
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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