Moteurs de stockage

InnoDB

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

[ Variables | Mémoire tampon | État InnoDB ]

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2026-03-10 07:22:52 0x7fd36804f700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 62 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 15537 srv_active, 0 srv_shutdown, 10753 srv_idle
srv_master_thread log flush and writes: 26287
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 54231
OS WAIT ARRAY INFO: signal count 36981
RW-shared spins 0, rounds 17804, OS waits 8920
RW-excl spins 0, rounds 5188, OS waits 167
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 17804.00 RW-shared, 5188.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 91168
Purge done for trx's n:o < 91168 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422020708745720, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422020708741464, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422020708737208, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
--------
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] , 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
863 OS file reads, 188918 OS file writes, 98866 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 6.32 writes/s, 3.42 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 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 9 buffer(s)
Hash table size 69257, node heap has 2 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 3 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
823.73 hash searches/s, 5159.59 non-hash searches/s
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LOG
---
Log sequence number 45009932
Log flushed up to   45008625
Pages flushed up to 45008625
Last checkpoint at  45008543
0 pending log flushes, 0 pending chkp writes
60170 log i/o's done, 2.16 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
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Total large memory allocated 285212672
Dictionary memory allocated 168336
Buffer pool size   16024
Free buffers       14947
Database pages     1011
Old database pages 353
Modified db pages  52
Percent of dirty pages(LRU & free pages): 0.326
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 704, created 307, written 115114
0.00 reads/s, 0.00 creates/s, 3.76 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, Random read ahead 0.00/s
LRU len: 1011, unzip_LRU len: 0
I/O sum[0]:cur[0], 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=900, Main thread ID=140545236059904, state: sleeping
Number of rows inserted 50, updated 26362, deleted 5, read 2324851
0.00 inserts/s, 0.82 updates/s, 0.00 deletes/s, 6441.22 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 6814
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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