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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2025-07-04 05:23:18 0x7f21ce2e5700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 24 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 28 srv_active, 0 srv_shutdown, 422 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 69
OS WAIT ARRAY INFO: signal count 68
RW-shared spins 4, rounds 7, OS waits 3
RW-excl spins 8, rounds 240, OS waits 8
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.75 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 9924
Purge done for trx's n:o < 9920 undo n:o < 0 state: running but idle
History list length 15
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421259209185896, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421259209185024, 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
1459 OS file reads, 1162 OS file writes, 419 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 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 8 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 25 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 29 buffer(s)
475.23 hash searches/s, 117.62 non-hash searches/s
---
LOG
---
Log sequence number 51103775
Log buffer assigned up to 51103775
Log buffer completed up to 51103775
Log written up to 51103775
Log flushed up to 51103775
Added dirty pages up to 51103775
Pages flushed up to 51103775
Last checkpoint at 51103775
326 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 658226
Buffer pool size 8192
Free buffers 6620
Database pages 1503
Old database pages 545
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 363, not young 630
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1330, created 197, written 709
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: 1503, unzip_LRU len: 0
I/O sum[62]: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=376, Main thread ID=139783725582080 , state=sleeping
Number of rows inserted 775, updated 505, deleted 1, read 374239
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 846.26 reads/s
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END OF INNODB MONITOR OUTPUT
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