Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variables
|
Reserva de búfers
|
Estado del InnoDB
]
=====================================
2026-03-29 07:04:45 0x7f091c04b700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 55 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 36 srv_active, 0 srv_shutdown, 201 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 102
OS WAIT ARRAY INFO: signal count 103
RW-shared spins 3, rounds 5, OS waits 2
RW-excl spins 3, rounds 90, OS waits 3
RW-sx spins 1, rounds 30, OS waits 1
Spin rounds per wait: 1.67 RW-shared, 30.00 RW-excl, 30.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 10081
Purge done for trx's n:o < 10080 undo n:o < 0 state: running but idle
History list length 16
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421152730967504, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421152730965760, 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
1326 OS file reads, 1554 OS file writes, 551 OS fsyncs
0.22 reads/s, 12544 avg bytes/read, 0.44 writes/s, 0.35 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 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 7 buffer(s)
2129.09 hash searches/s, 1656.62 non-hash searches/s
---
LOG
---
Log sequence number 51106235
Log buffer assigned up to 51106235
Log buffer completed up to 51106235
Log written up to 51106235
Log flushed up to 51106235
Added dirty pages up to 51106235
Pages flushed up to 51106235
Last checkpoint at 51106235
453 log i/o's done, 0.11 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 702695
Buffer pool size 8192
Free buffers 6813
Database pages 1362
Old database pages 482
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 346, not young 248
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1193, created 175, written 964
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: 1362, unzip_LRU len: 0
I/O sum[14]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=380, Main thread ID=139677246105344 , state=sleeping
Number of rows inserted 267, updated 516, deleted 0, read 786260
0.00 inserts/s, 0.04 updates/s, 0.00 deletes/s, 2931.93 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
