Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2026-04-03 11:31:18 0x926c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 11 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 34114 srv_active, 0 srv_shutdown, 899622 srv_idle
srv_master_thread log flush and writes: 933734
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 17955
OS WAIT ARRAY INFO: signal count 20030
RW-shared spins 33925, rounds 450780, OS waits 12253
RW-excl spins 30184, rounds 131347, OS waits 940
RW-sx spins 275, rounds 3981, OS waits 107
Spin rounds per wait: 13.29 RW-shared, 4.35 RW-excl, 14.48 RW-sx
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TRANSACTIONS
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Trx id counter 1011826
Purge done for trx's n:o < 1011826 undo n:o < 0 state: running but idle
History list length 3
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)
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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
391068 OS file reads, 529148 OS file writes, 290724 OS fsyncs
0.27 reads/s, 16384 avg bytes/read, 3.18 writes/s, 1.64 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 0 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 2 buffer(s)
3.18 hash searches/s, 4.82 non-hash searches/s
---
LOG
---
Log sequence number 628578830
Log flushed up to   628578794
Pages flushed up to 628577682
Last checkpoint at  628576506
0 pending log flushes, 0 pending chkp writes
153964 log i/o's done, 0.91 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2453920
Buffer pool size   1003
Free buffers       738
Database pages     257
Old database pages 0
Modified db pages  3
Percent of dirty pages(LRU & free pages): 0.301
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 30820, not young 2648379
0.00 youngs/s, 0.00 non-youngs/s
Pages read 389946, created 5214, written 319448
0.27 reads/s, 0.00 creates/s, 2.00 writes/s
Buffer pool hit rate 990 / 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: 257, unzip_LRU len: 0
I/O sum[33]: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=34028, Main thread ID=38536, state: sleeping
Number of rows inserted 23380, updated 69963, deleted 6310, read 19744501
0.00 inserts/s, 0.27 updates/s, 0.00 deletes/s, 2.91 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2394925
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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