Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
|
Reserva de búfers
|
Estado del InnoDB
]
=====================================
2026-06-22 20:27:09 0x1848 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 3 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 464 srv_active, 0 srv_shutdown, 38595 srv_idle
srv_master_thread log flush and writes: 39059
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 5588
OS WAIT ARRAY INFO: signal count 550
RW-shared spins 240, rounds 6597, OS waits 211
RW-excl spins 11, rounds 106, OS waits 3
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 27.49 RW-shared, 9.64 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 21532
Purge done for trx's n:o < 21532 undo n:o < 0 state: running but idle
History list length 5
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283792854917336, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283792854913168, 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
2063 OS file reads, 5936 OS file writes, 3202 OS fsyncs
5.00 reads/s, 16384 avg bytes/read, 16.66 writes/s, 4.67 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 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 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
7.66 hash searches/s, 32.32 non-hash searches/s
---
LOG
---
Log sequence number 11448605
Log flushed up to 11448605
Pages flushed up to 11448605
Last checkpoint at 11440535
0 pending log flushes, 0 pending chkp writes
1854 log i/o's done, 2.67 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 95152
Buffer pool size 1003
Free buffers 743
Database pages 256
Old database pages 0
Modified db pages 0
Percent of dirty pages(LRU & free pages): 0.000
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 2022, created 137, written 3562
5.00 reads/s, 0.00 creates/s, 13.33 writes/s
Buffer pool hit rate 961 / 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[77]:cur[5], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4660, Main thread ID=7768, state: sleeping
Number of rows inserted 6, updated 950, deleted 0, read 26265
0.00 inserts/s, 2.00 updates/s, 0.00 deletes/s, 7.33 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 5331
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
