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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2026-03-22 09:39:08 0x7f9341522700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 12 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 35 srv_active, 0 srv_shutdown, 465 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 69
OS WAIT ARRAY INFO: signal count 68
RW-shared spins 2, rounds 2, OS waits 0
RW-excl spins 2, rounds 60, OS waits 2
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
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TRANSACTIONS
------------
Trx id counter 9934
Purge done for trx's n:o < 9934 undo n:o < 0 state: running but idle
History list length 27
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421746473187944, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421746473187072, 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
1428 OS file reads, 871 OS file writes, 349 OS fsyncs
0.42 reads/s, 13312 avg bytes/read, 0.67 writes/s, 0.58 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 7 buffer(s)
1759.52 hash searches/s, 1354.64 non-hash searches/s
---
LOG
---
Log sequence number 50991098
Log buffer assigned up to 50991098
Log buffer completed up to 50991098
Log written up to 50991098
Log flushed up to 50991098
Added dirty pages up to 50991098
Pages flushed up to 50991098
Last checkpoint at 50991098
216 log i/o's done, 0.17 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 649085
Buffer pool size 8192
Free buffers 6739
Database pages 1436
Old database pages 510
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 331, not young 435
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1291, created 163, written 544
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: 1436, 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=367, Main thread ID=140270990452480 , state=sleeping
Number of rows inserted 211, updated 391, deleted 0, read 1274835
0.00 inserts/s, 0.08 updates/s, 0.00 deletes/s, 2208.23 reads/s
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END OF INNODB MONITOR OUTPUT
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