Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2026-06-09 11:28:48 0x2f60 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 6 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 2580 srv_active, 0 srv_shutdown, 227871 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 10236
OS WAIT ARRAY INFO: signal count 9286
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 3947367
Purge done for trx's n:o < 3947175 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283738958199720, 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 6052, OS thread handle 44340, query id 354638 localhost 127.0.0.1 root executing
SHOW TABLES LIKE 'wt_hit_counter'
---TRANSACTION 283738958198168, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283738958198944, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283738958197392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---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
8200 OS file reads, 33606 OS file writes, 24853 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 8.56 writes/s, 8.07 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)
1642.56 hash searches/s, 154.81 non-hash searches/s
---
LOG
---
Log sequence number          148060516
Log buffer assigned up to    148060516
Log buffer completed up to   148060516
Log written up to            148060516
Log flushed up to            148060516
Added dirty pages up to      148060516
Pages flushed up to          148049995
Last checkpoint at           148049995
Log minimum file id is       37
Log maximum file id is       38
15743 log i/o's done, 7.33 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  46
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 9231, not young 37890
5.60 youngs/s, 0.00 non-youngs/s
Pages read 7507, created 285, written 12069
0.00 reads/s, 0.00 creates/s, 0.99 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: 1007, unzip_LRU len: 0
I/O sum[12]: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 1160, updated 1669, deleted 0, read 25944
0.00 inserts/s, 1.17 updates/s, 0.00 deletes/s, 12.00 reads/s
Number of system rows inserted 8, updated 1165, deleted 8, read 2288824
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1489.92 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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