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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2025-07-12 03:08:19 0x7f441c0b9700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 24 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 46 srv_active, 0 srv_shutdown, 405 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 117
OS WAIT ARRAY INFO: signal count 96
RW-shared spins 6, rounds 12, OS waits 6
RW-excl spins 3, rounds 90, OS waits 3
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 2.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 10023
Purge done for trx's n:o < 10023 undo n:o < 0 state: running but idle
History list length 49
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421405663525480, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421405663524608, 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
1523 OS file reads, 1450 OS file writes, 527 OS fsyncs
3.79 reads/s, 16215 avg bytes/read, 6.58 writes/s, 2.54 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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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 2 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 8 buffer(s)
857.71 hash searches/s, 444.98 non-hash searches/s
---
LOG
---
Log sequence number 51174566
Log buffer assigned up to 51174566
Log buffer completed up to 51174566
Log written up to 51174566
Log flushed up to 51174566
Added dirty pages up to 51174566
Pages flushed up to 51174566
Last checkpoint at 51174566
452 log i/o's done, 2.88 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 721711
Buffer pool size 8192
Free buffers 6607
Database pages 1566
Old database pages 589
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 426, not young 3709
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1380, created 313, written 809
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 999 / 1000, young-making rate 0 / 1000 not 1 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1566, unzip_LRU len: 0
I/O sum[184]: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=366, Main thread ID=139930179413760 , state=sleeping
Number of rows inserted 17156, updated 603, deleted 0, read 518576
1.92 inserts/s, 1.42 updates/s, 0.00 deletes/s, 1383.03 reads/s
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END OF INNODB MONITOR OUTPUT
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