Moteurs de stockage
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[ Variables | Mémoire tampon | État InnoDB ]
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2026-03-07 04:41:39 0x7efe8c05b700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 0 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 4616 srv_active, 0 srv_shutdown, 12113 srv_idle
srv_master_thread log flush and writes: 16727
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 15729
OS WAIT ARRAY INFO: signal count 11055
RW-shared spins 0, rounds 8854, OS waits 4417
RW-excl spins 0, rounds 1480, OS waits 48
RW-sx spins 1, rounds 4, OS waits 0
Spin rounds per wait: 8854.00 RW-shared, 1480.00 RW-excl, 4.00 RW-sx
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TRANSACTIONS
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Trx id counter 52402
Purge done for trx's n:o < 52401 undo n:o < 0 state: running but idle
History list length 13
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421106490249880, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 52401, ACTIVE (PREPARED) 0 sec flushing log
mysql tables in use 1, locked 1
2 lock struct(s), heap size 1136, 1 row lock(s), undo log entries 1
MySQL thread id 73823, OS thread handle 139631492019968, query id 3684782 192.168.30.20 root Commit
UPDATE `phpmyadmin`.`pma__userconfig` SET `timevalue` = NOW(), `config_data` = '{\"ThemeDefault\":\"bootstrap\",\"Console\\/Mode\":\"show\",\"Console\\/Height\":105,\"lang\":\"fr\"}' WHERE `username` = 'root'
---TRANSACTION 421106490241368, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421106490237112, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (write thread)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
ibuf aio reads:, log i/o's:, sync i/o's:
Pending flushes (fsync) log: 1; buffer pool: 0
863 OS file reads, 57434 OS file writes, 32226 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 1000.00 writes/s, 1000.00 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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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 69257, node heap has 0 buffer(s)
Hash table size 69257, node heap has 11 buffer(s)
Hash table size 69257, node heap has 2 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 3 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
1000.00 hash searches/s, 2000.00 non-hash searches/s
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LOG
---
Log sequence number 18675810
Log flushed up to 18675568
Pages flushed up to 18675568
Last checkpoint at 18675559
1 pending log flushes, 0 pending chkp writes
20867 log i/o's done, 1.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 285212672
Dictionary memory allocated 141616
Buffer pool size 16024
Free buffers 15080
Database pages 877
Old database pages 336
Modified db pages 2
Percent of dirty pages(LRU & free pages): 0.013
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 704, created 173, written 32835
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: 877, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=903, Main thread ID=139631014123264, state: sleeping
Number of rows inserted 1003, updated 7351, deleted 1, read 666047
0.00 inserts/s, 1000.00 updates/s, 0.00 deletes/s, 2000.00 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1243
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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Serveur de démonstration phpMyAdmin:
La révision Git RELEASE_5_2_1-5377-g8e721911f0 de la branche master est en cours d'exécution.