Motores de almacenamiento

InnoDB

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

[ Variables | Reserva de búfers | Estado del InnoDB ]

=====================================
2026-07-29 23:17:32 0x3074 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 12 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 76 srv_active, 0 srv_shutdown, 36402 srv_idle
srv_master_thread log flush and writes: 36478
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 3165
OS WAIT ARRAY INFO: signal count 418
RW-shared spins 167, rounds 4646, OS waits 152
RW-excl spins 12, rounds 99, OS waits 2
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 27.82 RW-shared, 8.25 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 51860
Purge done for trx's n:o < 51860 undo n:o < 0 state: running but idle
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284544539668696, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284544539664528, 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
924 OS file reads, 2095 OS file writes, 858 OS fsyncs
0.25 reads/s, 16384 avg bytes/read, 0.83 writes/s, 0.58 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 0 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 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
3.75 hash searches/s, 16.92 non-hash searches/s
---
LOG
---
Log sequence number 28583980
Log flushed up to   28583960
Pages flushed up to 28582735
Last checkpoint at  28580463
0 pending log flushes, 0 pending chkp writes
605 log i/o's done, 0.33 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 140224
Buffer pool size   1003
Free buffers       744
Database pages     257
Old database pages 0
Modified db pages  9
Percent of dirty pages(LRU & free pages): 0.898
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 864, created 141, written 1399
0.25 reads/s, 0.00 creates/s, 0.42 writes/s
Buffer pool hit rate 993 / 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[8]: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=10452, Main thread ID=12264, state: sleeping
Number of rows inserted 0, updated 296, deleted 0, read 7835
0.00 inserts/s, 0.25 updates/s, 0.00 deletes/s, 3.75 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1553
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================