Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Variables
|
Reserva de búfers
|
Estado del InnoDB
]
=====================================
2026-10-13 21:10:47 0x7fb4740ce640 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 57 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 41245 srv_active, 0 srv_shutdown, 62735 srv_idle
srv_master_thread log flush and writes: 103979
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 1470342
OS WAIT ARRAY INFO: signal count 1286901
RW-shared spins 1282957, rounds 22751792, OS waits 670150
RW-excl spins 856559, rounds 2890642, OS waits 20435
RW-sx spins 9352, rounds 55000, OS waits 1354
Spin rounds per wait: 17.73 RW-shared, 3.37 RW-excl, 5.88 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 616760
Purge done for trx's n:o < 616760 undo n:o < 0 state: running
History list length 11
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421888009117960, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 421888009113744, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for i/o request (insert buffer thread)
I/O thread 1 state: waiting for i/o request (log thread)
I/O thread 2 state: waiting for i/o request (read thread)
I/O thread 3 state: waiting for i/o request (read thread)
I/O thread 4 state: waiting for i/o request (read thread)
I/O thread 5 state: waiting for i/o request (read thread)
I/O thread 6 state: waiting for i/o request (write thread)
I/O thread 7 state: waiting for i/o request (write thread)
I/O thread 8 state: waiting for i/o request (write thread)
I/O thread 9 state: waiting for i/o request (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
30084480 OS file reads, 2163451 OS file writes, 548089 OS fsyncs
69.68 reads/s, 16384 avg bytes/read, 17.91 writes/s, 7.21 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 405, seg size 407, 538932 merges
merged operations:
insert 4631032, delete mark 837, delete 314
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 2 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 2 buffer(s)
290.19 hash searches/s, 171.73 non-hash searches/s
---
LOG
---
Log sequence number 23424019747
Log flushed up to 23424019727
Pages flushed up to 23424012232
Last checkpoint at 23423975464
0 pending log flushes, 0 pending chkp writes
274978 log i/o's done, 5.04 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 946720
Buffer pool size 1003
Free buffers 731
Database pages 262
Old database pages 0
Modified db pages 13
Percent of dirty pages(LRU & free pages): 1.308
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1512766, not young 410722342
4.11 youngs/s, 449.26 non-youngs/s
Pages read 30084172, created 156428, written 1793979
69.68 reads/s, 0.28 creates/s, 12.05 writes/s
Buffer pool hit rate 950 / 1000, young-making rate 2 / 1000 not 316 / 1000
Pages read ahead 5.75/s, evicted without access 0.09/s, Random read ahead 0.00/s
LRU len: 262, unzip_LRU len: 0
I/O sum[4069]:cur[53], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=16363, Main thread ID=140412169725504, state: sleeping
Number of rows inserted 6742906, updated 69937, deleted 21245, read 2507563777
0.07 inserts/s, 3.75 updates/s, 0.00 deletes/s, 665.81 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 149117
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
