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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2025-09-15 07:24:21 0x7fa6a0065700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 25 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 32 srv_active, 0 srv_shutdown, 480 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 214
OS WAIT ARRAY INFO: signal count 162
RW-shared spins 2, rounds 3, OS waits 1
RW-excl spins 5, rounds 150, OS waits 4
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.50 RW-shared, 30.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 10130
Purge done for trx's n:o < 10129 undo n:o < 0 state: running but idle
History list length 53
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421828756953704, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421828756952832, 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
1494 OS file reads, 1458 OS file writes, 523 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 5 buffer(s)
404.98 hash searches/s, 285.15 non-hash searches/s
---
LOG
---
Log sequence number 51053824
Log buffer assigned up to 51053824
Log buffer completed up to 51053824
Log written up to 51053824
Log flushed up to 51053824
Added dirty pages up to 51053824
Pages flushed up to 51053824
Last checkpoint at 51053824
476 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 681067
Buffer pool size 8192
Free buffers 6669
Database pages 1509
Old database pages 577
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1355, created 154, written 875
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: 1509, unzip_LRU len: 0
I/O sum[0]: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=369, Main thread ID=140353270118144 , state=sleeping
Number of rows inserted 86, updated 474, deleted 0, read 316214
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 535.38 reads/s
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END OF INNODB MONITOR OUTPUT
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