Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2025-07-06 23:10:46 0x52e4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 19 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1144 srv_active, 0 srv_shutdown, 288384 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 5442
OS WAIT ARRAY INFO: signal count 5222
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 2111208
Purge done for trx's n:o < 2110934 undo n:o < 0 state: running but idle
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---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
4740 OS file reads, 16377 OS file writes, 11995 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.05 writes/s, 0.05 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 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)
20.05 hash searches/s, 0.84 non-hash searches/s
---
LOG
---
Log sequence number          108770259
Log buffer assigned up to    108770259
Log buffer completed up to   108770259
Log written up to            108770259
Log flushed up to            108770259
Added dirty pages up to      108770259
Pages flushed up to          108770249
Last checkpoint at           108770249
Log minimum file id is       26
Log maximum file id is       26
6752 log i/o's done, 0.05 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 1064446
Buffer pool size   2047
Free buffers       1026
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 3804, not young 15683
0.00 youngs/s, 0.00 non-youngs/s
Pages read 4048, created 215, written 6496
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: 1006, unzip_LRU len: 0
I/O sum[5]:cur[0], 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=14196, Main thread ID=16624 , state=sleeping
Number of rows inserted 768, updated 633, deleted 0, read 9238
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.26 reads/s
Number of system rows inserted 8, updated 797, deleted 8, read 649507
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 13.53 reads/s
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END OF INNODB MONITOR OUTPUT
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