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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2026-06-04 18:09:07 0x362c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 39 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 160 srv_active, 0 srv_shutdown, 76973 srv_idle
srv_master_thread log flush and writes: 77120
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 5960
OS WAIT ARRAY INFO: signal count 242
RW-shared spins 109, rounds 3093, OS waits 85
RW-excl spins 10, rounds 353, OS waits 10
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 28.38 RW-shared, 35.30 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 138987
Purge done for trx's n:o < 138987 undo n:o < 0 state: running
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284239442288856, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284239442284688, 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
1609 OS file reads, 3289 OS file writes, 1326 OS fsyncs
3.44 reads/s, 16384 avg bytes/read, 10.00 writes/s, 4.10 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, 6 merges
merged operations:
 insert 103, 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 0 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 0 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)
12.15 hash searches/s, 32.72 non-hash searches/s
---
LOG
---
Log sequence number 75375683
Log flushed up to   75375663
Pages flushed up to 75372155
Last checkpoint at  75364704
0 pending log flushes, 0 pending chkp writes
921 log i/o's done, 2.79 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 112680
Buffer pool size   1003
Free buffers       720
Database pages     279
Old database pages 0
Modified db pages  53
Percent of dirty pages(LRU & free pages): 5.300
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1560, created 154, written 2211
3.44 reads/s, 0.10 creates/s, 6.62 writes/s
Buffer pool hit rate 966 / 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: 279, unzip_LRU len: 0
I/O sum[537]: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=3876, Main thread ID=4824, state: sleeping
Number of rows inserted 22, updated 660, deleted 0, read 99321
0.00 inserts/s, 2.18 updates/s, 0.00 deletes/s, 17.00 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1258
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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