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 20:32:26 0x7f4f88092700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 36 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 9 srv_active, 0 srv_shutdown, 88 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 32
OS WAIT ARRAY INFO: signal count 33
RW-shared spins 0, rounds 0, 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: 0.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 9822
Purge done for trx's n:o < 9822 undo n:o < 0 state: running but idle
History list length 87
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421454703577704, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421454703576832, 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
1299 OS file reads, 416 OS file writes, 136 OS fsyncs
0.50 reads/s, 14677 avg bytes/read, 1.42 writes/s, 0.94 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 1 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)
703.20 hash searches/s, 398.57 non-hash searches/s
---
LOG
---
Log sequence number 50965411
Log buffer assigned up to 50965411
Log buffer completed up to 50965411
Log written up to 50965411
Log flushed up to 50965411
Added dirty pages up to 50965411
Pages flushed up to 50965411
Last checkpoint at 50965411
107 log i/o's done, 0.51 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 821972
Buffer pool size 8192
Free buffers 6829
Database pages 1347
Old database pages 477
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 82, not young 2672
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1204, created 146, written 260
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 17 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1347, unzip_LRU len: 0
I/O sum[42]: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=372, Main thread ID=139979219207936 , state=sleeping
Number of rows inserted 5, updated 354, deleted 0, read 120344
0.08 inserts/s, 0.14 updates/s, 0.00 deletes/s, 1030.08 reads/s
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END OF INNODB MONITOR OUTPUT
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