Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2026-06-09 12:42:57 0xb650 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 11 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 2915 srv_active, 0 srv_shutdown, 231944 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 12961
OS WAIT ARRAY INFO: signal count 11912
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 4044235
Purge done for trx's n:o < 4043821 undo n:o < 0 state: running but idle
History list length 0
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)
--------
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
11576 OS file reads, 44177 OS file writes, 32249 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.34 writes/s, 0.34 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 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 3 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 1 buffer(s)
73.18 hash searches/s, 3.55 non-hash searches/s
---
LOG
---
Log sequence number          149861544
Log buffer assigned up to    149861544
Log buffer completed up to   149861544
Log written up to            149861544
Log flushed up to            149861544
Added dirty pages up to      149861544
Pages flushed up to          149861504
Last checkpoint at           149861504
Log minimum file id is       37
Log maximum file id is       39
21686 log i/o's done, 0.33 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     1007
Old database pages 351
Modified db pages  1
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 14267, not young 70363
0.00 youngs/s, 0.00 non-youngs/s
Pages read 10883, created 417, written 15574
0.00 reads/s, 0.00 creates/s, 0.00 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: 1007, unzip_LRU len: 0
I/O sum[2]:cur[0], unzip sum[0]:cur[0]
--------------
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 3489, updated 2788, deleted 0, read 48165
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.91 reads/s
Number of system rows inserted 8, updated 1258, deleted 8, read 3172176
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 52.54 reads/s
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END OF INNODB MONITOR OUTPUT
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