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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2026-10-25 13:18:21 0x1b9c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 45 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 157957 srv_active, 0 srv_shutdown, 5163 srv_idle
srv_master_thread log flush and writes: 163120
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 35913
OS WAIT ARRAY INFO: signal count 35750
RW-shared spins 28512, rounds 844600, OS waits 26265
RW-excl spins 565, rounds 9835, OS waits 286
RW-sx spins 4, rounds 62, OS waits 2
Spin rounds per wait: 29.62 RW-shared, 17.41 RW-excl, 15.50 RW-sx
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TRANSACTIONS
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Trx id counter 11110972
Purge done for trx's n:o < 11110972 undo n:o < 0 state: running but idle
History list length 7
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283147152896216, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283147152892048, 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
746556 OS file reads, 2037772 OS file writes, 1121342 OS fsyncs
7.98 reads/s, 16384 avg bytes/read, 17.20 writes/s, 10.51 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 3, seg size 5, 428 merges
merged operations:
 insert 1079, delete mark 3, 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 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)
81.33 hash searches/s, 72.38 non-hash searches/s
---
LOG
---
Log sequence number 5934418517
Log flushed up to   5934418517
Pages flushed up to 5934360692
Last checkpoint at  5934360692
0 pending log flushes, 0 pending chkp writes
551916 log i/o's done, 5.71 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 340544
Buffer pool size   1003
Free buffers       738
Database pages     257
Old database pages 0
Modified db pages  97
Percent of dirty pages(LRU & free pages): 9.739
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 746416, created 16537, written 1254899
17.60 reads/s, 0.80 creates/s, 7.00 writes/s
Buffer pool hit rate 978 / 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[853]:cur[14], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4676, Main thread ID=7368, state: sleeping
Number of rows inserted 1520, updated 328305, deleted 7, read 43837684
0.00 inserts/s, 4.20 updates/s, 0.00 deletes/s, 239.71 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 79095
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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