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 14:48:28 0x1bbc INNODB MONITOR OUTPUT
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Per second averages calculated from the last 11 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 163185 srv_active, 0 srv_shutdown, 5312 srv_idle
srv_master_thread log flush and writes: 168497
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 37081
OS WAIT ARRAY INFO: signal count 36913
RW-shared spins 29434, rounds 871801, OS waits 27104
RW-excl spins 595, rounds 10337, OS waits 300
RW-sx spins 4, rounds 62, OS waits 2
Spin rounds per wait: 29.62 RW-shared, 17.37 RW-excl, 15.50 RW-sx
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TRANSACTIONS
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Trx id counter 11134408
Purge done for trx's n:o < 11134408 undo n:o < 0 state: running but idle
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283147152900384, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---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
772462 OS file reads, 2107862 OS file writes, 1160236 OS fsyncs
4.09 reads/s, 16384 avg bytes/read, 11.91 writes/s, 6.82 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)
57.81 hash searches/s, 42.63 non-hash searches/s
---
LOG
---
Log sequence number 5948127968
Log flushed up to   5948127948
Pages flushed up to 5948126785
Last checkpoint at  5948126742
0 pending log flushes, 0 pending chkp writes
571030 log i/o's done, 3.64 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 340544
Buffer pool size   1003
Free buffers       735
Database pages     260
Old database pages 0
Modified db pages  3
Percent of dirty pages(LRU & free pages): 0.301
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 772322, created 17121, written 1297632
4.00 reads/s, 0.00 creates/s, 12.99 writes/s
Buffer pool hit rate 981 / 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: 260, unzip_LRU len: 0
I/O sum[590]:cur[1], 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 340000, deleted 7, read 45700904
0.00 inserts/s, 2.09 updates/s, 0.00 deletes/s, 179.98 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 84257
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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