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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2026-04-03 09:34:06 0x76f0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 58 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 33558 srv_active, 0 srv_shutdown, 893196 srv_idle
srv_master_thread log flush and writes: 926752
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 17188
OS WAIT ARRAY INFO: signal count 19387
RW-shared spins 33492, rounds 438424, OS waits 11860
RW-excl spins 30173, rounds 131186, OS waits 937
RW-sx spins 275, rounds 3981, OS waits 107
Spin rounds per wait: 13.09 RW-shared, 4.35 RW-excl, 14.48 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 1008399
Purge done for trx's n:o < 1008399 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284072475791576, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284072475787408, 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
380783 OS file reads, 519155 OS file writes, 285889 OS fsyncs
0.86 reads/s, 16384 avg bytes/read, 1.53 writes/s, 1.21 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 37, seg size 39, 5945 merges
merged operations:
insert 23577, delete mark 22259, delete 16297
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 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
1.93 hash searches/s, 8.19 non-hash searches/s
---
LOG
---
Log sequence number 626336393
Log flushed up to 626336123
Pages flushed up to 626334839
Last checkpoint at 626334830
0 pending log flushes, 0 pending chkp writes
150917 log i/o's done, 0.78 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2453920
Buffer pool size 1003
Free buffers 718
Database pages 278
Old database pages 0
Modified db pages 13
Percent of dirty pages(LRU & free pages): 1.304
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 30788, not young 2600802
0.00 youngs/s, 0.00 non-youngs/s
Pages read 379661, created 5111, written 313166
0.86 reads/s, 0.02 creates/s, 0.60 writes/s
Buffer pool hit rate 986 / 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: 278, unzip_LRU len: 0
I/O sum[56]:cur[22], 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=34028, Main thread ID=38536, state: sleeping
Number of rows inserted 23380, updated 68251, deleted 6310, read 18896085
0.00 inserts/s, 0.17 updates/s, 0.00 deletes/s, 363.58 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2278574
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
============================
