Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Variables | Reserva de búfers | Estado del InnoDB ]

=====================================
2026-08-02 01:41:03 0x1d58 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 56 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 796 srv_active, 0 srv_shutdown, 25482 srv_idle
srv_master_thread log flush and writes: 26275
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 7101
OS WAIT ARRAY INFO: signal count 7353
RW-shared spins 9385, rounds 72616, OS waits 1545
RW-excl spins 18838, rounds 101135, OS waits 501
RW-sx spins 241, rounds 5158, OS waits 83
Spin rounds per wait: 7.74 RW-shared, 5.37 RW-excl, 21.40 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 516423
Purge done for trx's n:o < 516423 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283931990639456, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990635288, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990631120, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990626952, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990622784, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990618616, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990614448, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990610280, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990606112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990601944, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283931990597776, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (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
33868 OS file reads, 29493 OS file writes, 12010 OS fsyncs
0.16 reads/s, 16384 avg bytes/read, 0.82 writes/s, 0.55 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 140, seg size 142, 325 merges
merged operations:
 insert 2097, delete mark 168, delete 119
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
2.70 hash searches/s, 4.62 non-hash searches/s
---
LOG
---
Log sequence number 455182763
Log flushed up to   455182499
Pages flushed up to 455182499
Last checkpoint at  455182490
0 pending log flushes, 0 pending chkp writes
8672 log i/o's done, 0.39 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 360576
Buffer pool size   1003
Free buffers       739
Database pages     256
Old database pages 0
Modified db pages  12
Percent of dirty pages(LRU & free pages): 1.205
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1205, not young 420579
0.00 youngs/s, 0.00 non-youngs/s
Pages read 33700, created 1029, written 19515
0.16 reads/s, 0.00 creates/s, 0.37 writes/s
Buffer pool hit rate 990 / 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: 256, unzip_LRU len: 0
I/O sum[30]: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=10716, Main thread ID=16344, state: sleeping
Number of rows inserted 38536, updated 3637, deleted 975, read 3725788
0.00 inserts/s, 0.12 updates/s, 0.00 deletes/s, 2.62 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 9882
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================