Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2025-07-06 22:57:34 0x3084 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 7 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1077 srv_active, 0 srv_shutdown, 287666 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 5367
OS WAIT ARRAY INFO: signal count 5150
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 2105583
Purge done for trx's n:o < 2105329 undo n:o < 0 state: running but idle
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283266424369592, ACTIVE 0 sec starting index read
mysql tables in use 6, locked 0
0 lock struct(s), heap size 1128, 0 row lock(s)
MySQL thread id 1668, OS thread handle 20028, query id 94198 localhost 127.0.0.1 root executing
SHOW TABLES FROM `mysql`
---TRANSACTION 283266424368040, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424367264, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424366488, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424365712, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424364936, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424364160, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424363384, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283266424362608, 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
4723 OS file reads, 15674 OS file writes, 11443 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.26 writes/s, 0.13 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 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 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)
232.82 hash searches/s, 11.86 non-hash searches/s
---
LOG
---
Log sequence number          108717797
Log buffer assigned up to    108717797
Log buffer completed up to   108717797
Log written up to            108717797
Log flushed up to            108717797
Added dirty pages up to      108717797
Pages flushed up to          108717777
Last checkpoint at           108717777
Log minimum file id is       26
Log maximum file id is       26
6395 log i/o's done, 0.25 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 1064446
Buffer pool size   2047
Free buffers       1024
Database pages     1008
Old database pages 352
Modified db pages  1
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 3701, not young 15578
0.00 youngs/s, 0.00 non-youngs/s
Pages read 4031, created 206, written 6267
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: 1008, unzip_LRU len: 0
I/O sum[24]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
1 read views open inside InnoDB
Process ID=14196, Main thread ID=16624 , state=sleeping
Number of rows inserted 528, updated 601, deleted 0, read 8605
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.86 reads/s
Number of system rows inserted 8, updated 793, deleted 8, read 590321
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 292.96 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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