Moteurs de stockage

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Mémoire tampon | État InnoDB ]

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2025-07-07 04:14:45 0x52e4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 36 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1508 srv_active, 0 srv_shutdown, 306078 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 6300
OS WAIT ARRAY INFO: signal count 6026
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
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TRANSACTIONS
------------
Trx id counter 2134729
Purge done for trx's n:o < 2134660 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
4930 OS file reads, 21611 OS file writes, 15783 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.36 writes/s, 0.33 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 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)
24.75 hash searches/s, 1.31 non-hash searches/s
---
LOG
---
Log sequence number          109186535
Log buffer assigned up to    109186535
Log buffer completed up to   109186535
Log written up to            109186525
Log flushed up to            109186525
Added dirty pages up to      109186535
Pages flushed up to          109186525
Last checkpoint at           109186525
Log minimum file id is       26
Log maximum file id is       26
8930 log i/o's done, 0.19 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  1
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 5803, not young 18093
0.03 youngs/s, 0.00 non-youngs/s
Pages read 4238, created 224, written 8609
0.00 reads/s, 0.00 creates/s, 0.11 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[8]: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=14196, Main thread ID=16624 , state=sleeping
Number of rows inserted 768, updated 867, deleted 0, read 11618
0.00 inserts/s, 0.03 updates/s, 0.00 deletes/s, 0.31 reads/s
Number of system rows inserted 8, updated 929, deleted 8, read 848327
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 18.64 reads/s
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END OF INNODB MONITOR OUTPUT
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