Motores de almacenamiento

InnoDB

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

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2026-10-31 17:50:59 0x15cc INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 48 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 563 srv_active, 0 srv_shutdown, 26598 srv_idle
srv_master_thread log flush and writes: 27161
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 38753
OS WAIT ARRAY INFO: signal count 5264
RW-shared spins 286, rounds 8289, OS waits 200
RW-excl spins 16, rounds 236, OS waits 6
RW-sx spins 1, rounds 30, OS waits 0
Spin rounds per wait: 28.98 RW-shared, 14.75 RW-excl, 30.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 195657
Purge done for trx's n:o < 195657 undo n:o < 0 state: running
History list length 19
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284229960093912, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960135592, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960102248, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960131424, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960114752, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960098080, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960127256, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960123088, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960118920, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960110584, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960089744, 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
4655 OS file reads, 8937 OS file writes, 4515 OS fsyncs
4.35 reads/s, 16384 avg bytes/read, 10.40 writes/s, 4.62 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 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
14.48 hash searches/s, 43.21 non-hash searches/s
---
LOG
---
Log sequence number 53034266
Log flushed up to   53034266
Pages flushed up to 53010095
Last checkpoint at  53006805
0 pending log flushes, 0 pending chkp writes
2851 log i/o's done, 3.23 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 150240
Buffer pool size   1003
Free buffers       736
Database pages     264
Old database pages 0
Modified db pages  53
Percent of dirty pages(LRU & free pages): 5.295
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 4591, created 195, written 5371
4.35 reads/s, 0.10 creates/s, 6.48 writes/s
Buffer pool hit rate 967 / 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: 264, unzip_LRU len: 0
I/O sum[539]:cur[4], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4224, Main thread ID=5896, state: sleeping
Number of rows inserted 0, updated 1851, deleted 0, read 385190
0.00 inserts/s, 2.48 updates/s, 0.00 deletes/s, 37.83 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1590
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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