Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2026-03-14 18:53:07 0x7f37972fe700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 12 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 49 srv_active, 0 srv_shutdown, 389 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 111
OS WAIT ARRAY INFO: signal count 112
RW-shared spins 3, rounds 3, OS waits 0
RW-excl spins 1, rounds 30, OS waits 1
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 10009
Purge done for trx's n:o < 10008 undo n:o < 0 state: running but idle
History list length 19
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421353046797776, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421353046796904, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421353046796032, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
1330 OS file reads, 1164 OS file writes, 491 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 5 buffer(s)
3969.17 hash searches/s, 3073.74 non-hash searches/s
---
LOG
---
Log sequence number 51005523
Log buffer assigned up to 51005523
Log buffer completed up to 51005523
Log written up to 51005523
Log flushed up to 51005523
Added dirty pages up to 51005523
Pages flushed up to 51005523
Last checkpoint at 51005523
304 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 707783
Buffer pool size 8192
Free buffers 6858
Database pages 1319
Old database pages 466
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 47, not young 6
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1175, created 147, written 731
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 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: 1319, unzip_LRU len: 0
I/O sum[23]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=369, Main thread ID=139877560559360 , state=sleeping
Number of rows inserted 76, updated 416, deleted 0, read 2318136
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 5333.72 reads/s
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END OF INNODB MONITOR OUTPUT
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