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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2026-10-14 22:58:15 0x1044 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 41 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 8285 srv_active, 0 srv_shutdown, 9717 srv_idle
srv_master_thread log flush and writes: 18002
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 44323
OS WAIT ARRAY INFO: signal count 9770
RW-shared spins 2532, rounds 75754, OS waits 2449
RW-excl spins 47, rounds 983, OS waits 31
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 29.92 RW-shared, 20.91 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 511658
Purge done for trx's n:o < 511658 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 282889344312160, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344307992, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344303824, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344299656, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344295488, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344291320, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344287152, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344282984, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344278816, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344274648, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282889344270480, 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
36984 OS file reads, 88300 OS file writes, 51624 OS fsyncs
4.37 reads/s, 16384 avg bytes/read, 6.39 writes/s, 3.59 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 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 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)
10.78 hash searches/s, 36.34 non-hash searches/s
---
LOG
---
Log sequence number 122639063
Log flushed up to   122639043
Pages flushed up to 122636794
Last checkpoint at  122632127
0 pending log flushes, 0 pending chkp writes
25568 log i/o's done, 2.27 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 157752
Buffer pool size   1003
Free buffers       739
Database pages     257
Old database pages 0
Modified db pages  39
Percent of dirty pages(LRU & free pages): 3.912
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 22, not young 4401
0.00 youngs/s, 0.00 non-youngs/s
Pages read 36918, created 602, written 53484
4.37 reads/s, 0.07 creates/s, 3.56 writes/s
Buffer pool hit rate 979 / 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[373]:cur[1], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=3756, Main thread ID=4420, state: sleeping
Number of rows inserted 2, updated 12034, deleted 0, read 7463008
0.00 inserts/s, 1.34 updates/s, 0.00 deletes/s, 1014.54 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 26918
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================