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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2026-10-22 16:36:12 0x1f7c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 64 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 45926 srv_active, 0 srv_shutdown, 559589 srv_idle
srv_master_thread log flush and writes: 605514
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 735453
OS WAIT ARRAY INFO: signal count 284529
RW-shared spins 84491, rounds 2518626, OS waits 83851
RW-excl spins 4495, rounds 47431, OS waits 901
RW-sx spins 16, rounds 424, OS waits 14
Spin rounds per wait: 29.81 RW-shared, 10.55 RW-excl, 26.50 RW-sx
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TRANSACTIONS
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Trx id counter 290411
Purge done for trx's n:o < 290411 undo n:o < 0 state: running but idle
History list length 6
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 282342126403800, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282342126399632, 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: 1; buffer pool: 0
159222 OS file reads, 566402 OS file writes, 416998 OS fsyncs
3.44 reads/s, 16384 avg bytes/read, 7.56 writes/s, 3.19 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 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 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
11.67 hash searches/s, 21.92 non-hash searches/s
---
LOG
---
Log sequence number 186185316
Log flushed up to   186185296
Pages flushed up to 186168163
Last checkpoint at  186164290
1 pending log flushes, 0 pending chkp writes
263924 log i/o's done, 2.30 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 478264
Buffer pool size   1003
Free buffers       740
Database pages     256
Old database pages 0
Modified db pages  37
Percent of dirty pages(LRU & free pages): 3.711
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 10, not young 315
0.00 youngs/s, 0.00 non-youngs/s
Pages read 159039, created 2946, written 248427
3.44 reads/s, 0.09 creates/s, 4.91 writes/s
Buffer pool hit rate 965 / 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[444]:cur[3], 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=3632, Main thread ID=2388, state: flushing log
Number of rows inserted 423, updated 48936, deleted 155, read 74472098
0.00 inserts/s, 1.69 updates/s, 0.00 deletes/s, 105.33 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 12268
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 5.59 reads/s
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END OF INNODB MONITOR OUTPUT
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