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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2026-02-20 21:09:05 0x3bd0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 17 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 2775 srv_active, 0 srv_shutdown, 22271 srv_idle
srv_master_thread log flush and writes: 25046
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1821
OS WAIT ARRAY INFO: signal count 1284
RW-shared spins 780, rounds 23349, OS waits 772
RW-excl spins 13, rounds 230, OS waits 7
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 29.93 RW-shared, 17.69 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 23496
Purge done for trx's n:o < 23495 undo n:o < 0 state: running but idle
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283493435912552, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283493435908384, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 23495, ACTIVE 0 sec updating or deleting
mysql tables in use 1, locked 1
2 lock struct(s), heap size 1128, 1 row lock(s)
MySQL thread id 14391, OS thread handle 3848, query id 802308 localhost 127.0.0.1 pma Update
REPLACE INTO `phpmyadmin`.`pma__recent` (`username`, `tables`) VALUES ('root', '[{\"db\":\"mysql\",\"table\":\"func\"},{\"db\":\"information_schema\",\"table\":\"PARTITIONS\"},{\"db\":\"mysql\",\"table\":\"general_log\"},{\"db\":\"information_schema\",\"table\":\"INNODB_MUTEXES\"},{\"db\":\"mysql\",\"table\":\"help_category\"},{\"db\":\"information_schema\",\"table\":\"APPLICABLE_ROLES\"},{\"db\":\"mysql\",\"table\":\"user\"},{\"db\":\"information_schema\",\"table\":\"INNODB_FT_INDEX_TABLE\"},{\"db\":\"mysql\",\"table\":\"slow_log\"},{\"db\":\"information_schema\",\"table\":\"INNODB_CMP_PER_IN
---TRANSACTION 283493435900048, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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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
8774 OS file reads, 36234 OS file writes, 19914 OS fsyncs
1 pending reads, 0 pending writes
6.35 reads/s, 16384 avg bytes/read, 14.41 writes/s, 6.35 fsyncs/s
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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 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
18.65 hash searches/s, 44.35 non-hash searches/s
---
LOG
---
Log sequence number 12497677
Log flushed up to   12497657
Pages flushed up to 12493733
Last checkpoint at  12493724
0 pending log flushes, 0 pending chkp writes
10345 log i/o's done, 4.71 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 95152
Buffer pool size   1003
Free buffers       738
Database pages     262
Old database pages 0
Modified db pages  23
Percent of dirty pages(LRU & free pages): 2.298
Max dirty pages percent: 75.000
Pending reads 1
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 8731, created 287, written 22173
6.29 reads/s, 0.35 creates/s, 8.88 writes/s
Buffer pool hit rate 966 / 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: 262, unzip_LRU len: 0
I/O sum[257]:cur[1], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4084, Main thread ID=5924, state: sleeping
Number of rows inserted 1, updated 5811, deleted 0, read 201306
0.00 inserts/s, 3.71 updates/s, 0.00 deletes/s, 18.82 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 8893
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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