Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
|
Reserva de búfers
|
Estado del InnoDB
]
=====================================
2026-06-20 15:09:57 0x31c INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 30 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 12683 srv_active, 0 srv_shutdown, 82457 srv_idle
srv_master_thread log flush and writes: 95140
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 76846
OS WAIT ARRAY INFO: signal count 37602
RW-shared spins 18540, rounds 370461, OS waits 11261
RW-excl spins 44381, rounds 160091, OS waits 645
RW-sx spins 575, rounds 7474, OS waits 101
Spin rounds per wait: 19.98 RW-shared, 3.61 RW-excl, 13.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 86510
Purge done for trx's n:o < 86510 undo n:o < 0 state: running
History list length 8
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283187676447008, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676438672, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676442840, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283187676451176, 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
52469 OS file reads, 150737 OS file writes, 90450 OS fsyncs
2.60 reads/s, 16384 avg bytes/read, 9.10 writes/s, 5.17 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 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)
9.57 hash searches/s, 14.43 non-hash searches/s
---
LOG
---
Log sequence number 161650683
Log flushed up to 161650683
Pages flushed up to 161641542
Last checkpoint at 161634428
0 pending log flushes, 0 pending chkp writes
47109 log i/o's done, 2.73 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 778744
Buffer pool size 1003
Free buffers 735
Database pages 261
Old database pages 0
Modified db pages 33
Percent of dirty pages(LRU & free pages): 3.310
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 740, not young 27942
0.00 youngs/s, 0.00 non-youngs/s
Pages read 52139, created 5435, written 88527
2.60 reads/s, 0.03 creates/s, 5.47 writes/s
Buffer pool hit rate 962 / 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: 261, unzip_LRU len: 0
I/O sum[409]:cur[12], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=5360, Main thread ID=6716, state: sleeping
Number of rows inserted 108626, updated 15441, deleted 47, read 2179873
0.00 inserts/s, 1.40 updates/s, 0.00 deletes/s, 18.10 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 89729
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
