Motores de almacenamiento

InnoDB

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

[ Variables | Reserva de búfers | Estado del InnoDB ]

=====================================
2026-08-11 23:36:09 0x5f54 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 8 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 7356 srv_active, 0 srv_shutdown, 249900 srv_idle
srv_master_thread log flush and writes: 257256
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 12476
OS WAIT ARRAY INFO: signal count 8540
RW-shared spins 4824, rounds 137932, OS waits 4545
RW-excl spins 1564, rounds 21892, OS waits 426
RW-sx spins 1, rounds 30, OS waits 1
Spin rounds per wait: 28.59 RW-shared, 14.00 RW-excl, 30.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 50776
Purge done for trx's n:o < 50776 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283516888207648, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283516888224320, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283516888203480, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283516888199312, not started flushing log
mysql tables in use 1, locked 1
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283516888215984, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283516888211816, 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: 1; buffer pool: 0
23892 OS file reads, 95250 OS file writes, 51920 OS fsyncs
12.87 reads/s, 16384 avg bytes/read, 25.12 writes/s, 13.75 fsyncs/s
-------------------------------------
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 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 0 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)
33.87 hash searches/s, 115.36 non-hash searches/s
---
LOG
---
Log sequence number 22283515
Log flushed up to   22282381
Pages flushed up to 22257699
Last checkpoint at  22214228
1 pending log flushes, 0 pending chkp writes
28473 log i/o's done, 9.12 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 120192
Buffer pool size   1003
Free buffers       734
Database pages     265
Old database pages 0
Modified db pages  57
Percent of dirty pages(LRU & free pages): 5.700
Max dirty pages percent: 75.000
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 23840, created 553, written 58600
16.33 reads/s, 0.33 creates/s, 14.16 writes/s
Buffer pool hit rate 965 / 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: 265, unzip_LRU len: 0
I/O sum[874]:cur[1], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=3328, Main thread ID=4544, state: sleeping
Number of rows inserted 570, updated 12361, deleted 170, read 1511823
0.00 inserts/s, 8.00 updates/s, 0.00 deletes/s, 114.74 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 12452
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================