Motores de almacenamiento

InnoDB

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

[ Variables | Reserva de búfers | Estado del InnoDB ]

=====================================
2025-12-03 09:11:15 0x7f9050fac700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 19 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 17794 srv_active, 0 srv_shutdown, 14947 srv_idle
srv_master_thread log flush and writes: 32740
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 56943
OS WAIT ARRAY INFO: signal count 51321
RW-shared spins 0, rounds 24191, OS waits 11962
RW-excl spins 0, rounds 5935, OS waits 211
RW-sx spins 11, rounds 163, OS waits 3
Spin rounds per wait: 24191.00 RW-shared, 5935.00 RW-excl, 14.82 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 123170
Purge done for trx's n:o < 123170 undo n:o < 0 state: running but idle
History list length 17
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421732808651256, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421732808647000, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421732808642744, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
887 OS file reads, 272571 OS file writes, 133836 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 8.84 writes/s, 4.32 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 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
5.79 hash searches/s, 0.58 non-hash searches/s
---
LOG
---
Log sequence number 63607797
Log flushed up to   63607676
Pages flushed up to 63596815
Last checkpoint at  63596806
0 pending log flushes, 0 pending chkp writes
83237 log i/o's done, 2.95 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 285212672
Dictionary memory allocated 106880
Buffer pool size   16024
Free buffers       15093
Database pages     924
Old database pages 344
Modified db pages  17
Percent of dirty pages(LRU & free pages): 0.106
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 728, created 196, written 170782
0.00 reads/s, 0.00 creates/s, 6.75 writes/s
Buffer pool hit rate 1000 / 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: 924, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=907, Main thread ID=140257123104512, state: sleeping
Number of rows inserted 28, updated 40880, deleted 0, read 1634154
0.00 inserts/s, 1.47 updates/s, 0.00 deletes/s, 3.11 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 4412
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================