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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2026-02-12 17:31:50 0x7f9940093700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 61 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 10 srv_active, 0 srv_shutdown, 50 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 6
OS WAIT ARRAY INFO: signal count 9
RW-shared spins 3, rounds 3, OS waits 0
RW-excl spins 0, rounds 2, OS waits 2
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 2.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 9780
Purge done for trx's n:o < 9780 undo n:o < 0 state: running but idle
History list length 65
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421771819690600, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421771819689728, 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
1273 OS file reads, 319 OS file writes, 104 OS fsyncs
20.53 reads/s, 20231 avg bytes/read, 5.15 writes/s, 1.68 fsyncs/s
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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 0 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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 8 buffer(s)
10788.33 hash searches/s, 8863.84 non-hash searches/s
---
LOG
---
Log sequence number 50955572
Log buffer assigned up to 50955572
Log buffer completed up to 50955572
Log written up to 50955572
Log flushed up to 50955572
Added dirty pages up to 50955572
Pages flushed up to 50955572
Last checkpoint at 50955572
63 log i/o's done, 1.02 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 535715
Buffer pool size 8192
Free buffers 6860
Database pages 1314
Old database pages 478
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 143, not young 6594
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1172, created 145, written 208
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 2 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1314, unzip_LRU len: 0
I/O sum[173]: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=140296333764352 , state=sleeping
Number of rows inserted 48, updated 332, deleted 0, read 885288
0.79 inserts/s, 5.44 updates/s, 0.00 deletes/s, 14512.68 reads/s
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END OF INNODB MONITOR OUTPUT
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