Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2026-08-02 02:04:26 0x43e0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 47 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1262 srv_active, 0 srv_shutdown, 26404 srv_idle
srv_master_thread log flush and writes: 27663
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 7852
OS WAIT ARRAY INFO: signal count 8068
RW-shared spins 9811, rounds 85368, OS waits 1970
RW-excl spins 18845, rounds 101220, OS waits 503
RW-sx spins 241, rounds 5158, OS waits 83
Spin rounds per wait: 8.70 RW-shared, 5.37 RW-excl, 21.40 RW-sx
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TRANSACTIONS
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Trx id counter 517463
Purge done for trx's n:o < 517463 undo n:o < 0 state: running but idle
History list length 6
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283931990601944, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990597776, 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
35928 OS file reads, 34449 OS file writes, 15370 OS fsyncs
0.57 reads/s, 16384 avg bytes/read, 3.98 writes/s, 2.79 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 140, seg size 142, 325 merges
merged operations:
insert 2097, delete mark 168, delete 119
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)
2.91 hash searches/s, 5.38 non-hash searches/s
---
LOG
---
Log sequence number 455882155
Log flushed up to 455882155
Pages flushed up to 455882155
Last checkpoint at 455882146
0 pending log flushes, 0 pending chkp writes
10518 log i/o's done, 1.55 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 360576
Buffer pool size 1003
Free buffers 739
Database pages 256
Old database pages 0
Modified db pages 0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1205, not young 420579
0.00 youngs/s, 0.00 non-youngs/s
Pages read 35760, created 1055, written 22093
0.57 reads/s, 0.02 creates/s, 2.00 writes/s
Buffer pool hit rate 974 / 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: 256, unzip_LRU len: 0
I/O sum[145]: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=10716, Main thread ID=16344, state: sleeping
Number of rows inserted 38539, updated 4150, deleted 975, read 4390112
0.00 inserts/s, 0.43 updates/s, 0.00 deletes/s, 3.36 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 16554
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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