Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

=====================================
2026-06-09 13:58:22 0xa640 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 34 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 3415 srv_active, 0 srv_shutdown, 235926 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 13863
OS WAIT ARRAY INFO: signal count 12773
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 4070950
Purge done for trx's n:o < 4070884 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)
--------
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: 1; buffer pool: 0
12896 OS file reads, 48755 OS file writes, 35706 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.56 writes/s, 0.53 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 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)
41.00 hash searches/s, 4.18 non-hash searches/s
---
LOG
---
Log sequence number          150338578
Log buffer assigned up to    150338578
Log buffer completed up to   150338578
Log written up to            150338578
Log flushed up to            150338560
Added dirty pages up to      150338578
Pages flushed up to          150334713
Last checkpoint at           150334713
Log minimum file id is       37
Log maximum file id is       39
24182 log i/o's done, 0.50 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  8
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 15692, not young 79376
0.15 youngs/s, 0.00 non-youngs/s
Pages read 12203, created 468, written 17046
0.00 reads/s, 0.00 creates/s, 0.03 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[1]: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 4068, updated 3086, deleted 0, read 56058
0.00 inserts/s, 0.06 updates/s, 0.00 deletes/s, 0.44 reads/s
Number of system rows inserted 8, updated 1262, deleted 8, read 3747441
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 33.29 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================