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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2026-01-29 20:22:02 0x1ae4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 13 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 229 srv_active, 0 srv_shutdown, 467699 srv_idle
srv_master_thread log flush and writes: 467927
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 4224
OS WAIT ARRAY INFO: signal count 1054
RW-shared spins 260, rounds 7802, OS waits 260
RW-excl spins 14, rounds 453, OS waits 12
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 30.01 RW-shared, 32.36 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 124867
Purge done for trx's n:o < 124867 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 282452009632032, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282452009627864, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 282452009623696, 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
1704 OS file reads, 2254 OS file writes, 1311 OS fsyncs
0.54 reads/s, 16384 avg bytes/read, 5.31 writes/s, 3.54 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 0, seg size 2, 9 merges
merged operations:
 insert 9, 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 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 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
4.08 hash searches/s, 10.08 non-hash searches/s
---
LOG
---
Log sequence number 73150111
Log flushed up to   73150111
Pages flushed up to 73150111
Last checkpoint at  73150068
0 pending log flushes, 0 pending chkp writes
830 log i/o's done, 2.00 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 197816
Buffer pool size   1003
Free buffers       742
Database pages     256
Old database pages 0
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 2, not young 145
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1621, created 134, written 1262
0.54 reads/s, 0.00 creates/s, 2.77 writes/s
Buffer pool hit rate 986 / 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: 256, unzip_LRU len: 0
I/O sum[55]:cur[3], 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=2344, Main thread ID=2964, state: sleeping
Number of rows inserted 96, updated 48, deleted 0, read 554330
0.00 inserts/s, 0.54 updates/s, 0.00 deletes/s, 20.84 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1238
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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