Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2026-06-09 14:00:08 0xae70 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 4 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 3427 srv_active, 0 srv_shutdown, 236019 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 13878
OS WAIT ARRAY INFO: signal count 12787
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 0, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 4071728
Purge done for trx's n:o < 4071594 undo n:o < 0 state: running but idle
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283738958196616, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283738958195840, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283738958195064, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283738958194288, 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: wait Windows aio ((null))
I/O thread 1 state: wait Windows aio (insert buffer thread)
I/O thread 2 state: wait Windows aio (read thread)
I/O thread 3 state: wait Windows aio (read thread)
I/O thread 4 state: wait Windows aio (read thread)
I/O thread 5 state: wait Windows aio (read thread)
I/O thread 6 state: wait Windows aio (write thread)
I/O thread 7 state: wait Windows aio (write thread)
I/O thread 8 state: wait Windows aio (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
 ibuf aio reads:
Pending flushes (fsync) log: 0; buffer pool: 0
12899 OS file reads, 48875 OS file writes, 35798 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 1.44 writes/s, 1.23 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 8747, node heap has 1 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
Hash table size 8747, node heap has 4 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
Hash table size 8747, node heap has 2 buffer(s)
303.17 hash searches/s, 22.49 non-hash searches/s
---
LOG
---
Log sequence number          150348453
Log buffer assigned up to    150348453
Log buffer completed up to   150348453
Log written up to            150348453
Log flushed up to            150348453
Added dirty pages up to      150348453
Pages flushed up to          150348403
Last checkpoint at           150348403
Log minimum file id is       37
Log maximum file id is       39
24240 log i/o's done, 1.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 1075497
Buffer pool size   2047
Free buffers       1024
Database pages     1006
Old database pages 351
Modified db pages  1
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 16089, not young 79378
1.23 youngs/s, 0.00 non-youngs/s
Pages read 12206, created 468, written 17088
0.00 reads/s, 0.00 creates/s, 0.21 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 1 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1006, unzip_LRU len: 0
I/O sum[0]:cur[1], 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=11924, Main thread ID=7792 , state=sleeping
Number of rows inserted 4068, updated 3092, deleted 0, read 56107
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.00 reads/s
Number of system rows inserted 8, updated 1262, deleted 8, read 3753005
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 281.43 reads/s
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END OF INNODB MONITOR OUTPUT
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