Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2026-06-10 05:15:44 0x1818 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 43 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 19413 srv_active, 0 srv_shutdown, 805125 srv_idle
srv_master_thread log flush and writes: 824538
----------
SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 125119
OS WAIT ARRAY INFO: signal count 45537
RW-shared spins 15675, rounds 467884, OS waits 15234
RW-excl spins 815, rounds 41650, OS waits 1289
RW-sx spins 6, rounds 44, OS waits 1
Spin rounds per wait: 29.85 RW-shared, 51.10 RW-excl, 7.33 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 378842
Purge done for trx's n:o < 378842 undo n:o < 0 state: running
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283064779739424, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779735256, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283064779731088, 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
108741 OS file reads, 207347 OS file writes, 135241 OS fsyncs
5.49 reads/s, 16384 avg bytes/read, 15.44 writes/s, 7.23 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 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)
11.49 hash searches/s, 30.07 non-hash searches/s
---
LOG
---
Log sequence number 230769859
Log flushed up to 230769839
Pages flushed up to 230769426
Last checkpoint at 230756579
0 pending log flushes, 0 pending chkp writes
71447 log i/o's done, 3.72 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 1795368
Buffer pool size 1003
Free buffers 738
Database pages 257
Old database pages 0
Modified db pages 3
Percent of dirty pages(LRU & free pages): 0.301
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1071, not young 140193
0.00 youngs/s, 0.00 non-youngs/s
Pages read 101963, created 1276, written 114303
5.49 reads/s, 0.16 creates/s, 10.35 writes/s
Buffer pool hit rate 954 / 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: 257, unzip_LRU len: 0
I/O sum[819]:cur[27], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4588, Main thread ID=8424, state: sleeping
Number of rows inserted 275, updated 22497, deleted 174, read 39898806
0.00 inserts/s, 2.40 updates/s, 0.00 deletes/s, 13.72 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 761901
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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