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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2026-08-02 01:15:26 0x4b8c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 27 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 408 srv_active, 0 srv_shutdown, 24348 srv_idle
srv_master_thread log flush and writes: 24753
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 4263
OS WAIT ARRAY INFO: signal count 6425
RW-shared spins 9032, rounds 62582, OS waits 1220
RW-excl spins 18827, rounds 100978, OS waits 497
RW-sx spins 240, rounds 5128, OS waits 82
Spin rounds per wait: 6.93 RW-shared, 5.36 RW-excl, 21.37 RW-sx
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TRANSACTIONS
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Trx id counter 513214
Purge done for trx's n:o < 513214 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283931990606112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---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)
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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
29044 OS file reads, 21362 OS file writes, 8160 OS fsyncs
1.00 reads/s, 16384 avg bytes/read, 5.48 writes/s, 3.44 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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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 2 buffer(s)
Hash table size 4441, node heap has 3 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
7.15 hash searches/s, 16.15 non-hash searches/s
---
LOG
---
Log sequence number 453129063
Log flushed up to   453129063
Pages flushed up to 453129063
Last checkpoint at  453129054
0 pending log flushes, 0 pending chkp writes
6144 log i/o's done, 1.85 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 360576
Buffer pool size   1003
Free buffers       736
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 28876, created 935, written 14454
1.00 reads/s, 0.00 creates/s, 3.07 writes/s
Buffer pool hit rate 982 / 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[229]: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 38536, updated 2034, deleted 975, read 3163494
0.00 inserts/s, 0.85 updates/s, 0.00 deletes/s, 6.96 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 6522
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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