Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
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Variables
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Reserva de búfers
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Estado del InnoDB
]
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2026-06-10 01:54:14 0x1fd4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 4 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 17424 srv_active, 0 srv_shutdown, 795056 srv_idle
srv_master_thread log flush and writes: 812480
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 94200
OS WAIT ARRAY INFO: signal count 36822
RW-shared spins 14536, rounds 434171, OS waits 14166
RW-excl spins 785, rounds 39436, OS waits 1218
RW-sx spins 6, rounds 44, OS waits 1
Spin rounds per wait: 29.87 RW-shared, 50.24 RW-excl, 7.33 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 371272
Purge done for trx's n:o < 371272 undo n:o < 0 state: running but idle
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283064779735256, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779731088, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (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: 0; buffer pool: 0
94745 OS file reads, 181422 OS file writes, 121030 OS fsyncs
48.74 reads/s, 16384 avg bytes/read, 7.50 writes/s, 5.50 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 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
5.75 hash searches/s, 95.23 non-hash searches/s
---
LOG
---
Log sequence number 226110749
Log flushed up to 226110749
Pages flushed up to 226109413
Last checkpoint at 226109287
0 pending log flushes, 0 pending chkp writes
63646 log i/o's done, 2.50 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 1795368
Buffer pool size 1003
Free buffers 735
Database pages 260
Old database pages 0
Modified db pages 6
Percent of dirty pages(LRU & free pages): 0.602
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 873, not young 115309
0.00 youngs/s, 0.00 non-youngs/s
Pages read 88331, created 1074, written 98535
48.74 reads/s, 0.00 creates/s, 4.00 writes/s
Buffer pool hit rate 874 / 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: 260, unzip_LRU len: 0
I/O sum[199]:cur[90], 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=4588, Main thread ID=8424, state: sleeping
Number of rows inserted 275, updated 18723, deleted 174, read 39780102
0.00 inserts/s, 0.75 updates/s, 0.00 deletes/s, 1379.66 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 761898
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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