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 08:10:03 0x7f56ad3fa700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 7 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 58 srv_active, 0 srv_shutdown, 497 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 130
OS WAIT ARRAY INFO: signal count 128
RW-shared spins 1, rounds 1, 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 10124
Purge done for trx's n:o < 10124 undo n:o < 0 state: running but idle
History list length 30
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421486293319992, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421486293319120, not started
mysql tables in use 4, locked 0
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421486293318248, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421486293317376, 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
1644 OS file reads, 1453 OS file writes, 611 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 4.71 writes/s, 2.14 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 8 buffer(s)
1537.07 hash searches/s, 1129.98 non-hash searches/s
---
LOG
---
Log sequence number 51025726
Log buffer assigned up to 51025726
Log buffer completed up to 51025726
Log written up to 51025726
Log flushed up to 51025726
Added dirty pages up to 51025726
Pages flushed up to 51025726
Last checkpoint at 51025726
411 log i/o's done, 2.14 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 821972
Buffer pool size 8192
Free buffers 6571
Database pages 1603
Old database pages 571
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 464, not young 1324
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1457, created 158, written 890
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: 1603, unzip_LRU len: 0
I/O sum[11]:cur[16], 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=140010809386752 , state=sleeping
Number of rows inserted 233, updated 452, deleted 0, read 1228322
0.00 inserts/s, 1.00 updates/s, 0.00 deletes/s, 2167.69 reads/s
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END OF INNODB MONITOR OUTPUT
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