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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2025-12-14 17:17:56 0x7f44d81af700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 7 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 11 srv_active, 0 srv_shutdown, 117 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 26
OS WAIT ARRAY INFO: signal count 26
RW-shared spins 1, rounds 1, OS waits 0
RW-excl spins 0, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 9814
Purge done for trx's n:o < 9813 undo n:o < 0 state: running but idle
History list length 79
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421408826382952, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421408826382080, 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
1200 OS file reads, 523 OS file writes, 128 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 0 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 2 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
200.69 hash searches/s, 66.70 non-hash searches/s
---
LOG
---
Log sequence number 50961943
Log buffer assigned up to 50961943
Log buffer completed up to 50961943
Log written up to 50961943
Log flushed up to 50961943
Added dirty pages up to 50961943
Pages flushed up to 50961943
Last checkpoint at 50961943
94 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 562720
Buffer pool size 8192
Free buffers 6935
Database pages 1244
Old database pages 439
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 96, not young 206
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1101, created 242, written 332
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: 1244, unzip_LRU len: 0
I/O sum[8]: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=371, Main thread ID=139933341918976 , state=sleeping
Number of rows inserted 33042, updated 346, deleted 0, read 121099
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 478.07 reads/s
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END OF INNODB MONITOR OUTPUT
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