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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2026-10-31 17:00:38 0x166c INNODB MONITOR OUTPUT
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Per second averages calculated from the last 26 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 337 srv_active, 0 srv_shutdown, 23838 srv_idle
srv_master_thread log flush and writes: 24175
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 21493
OS WAIT ARRAY INFO: signal count 2807
RW-shared spins 179, rounds 5241, OS waits 136
RW-excl spins 9, rounds 136, OS waits 4
RW-sx spins 1, rounds 30, OS waits 0
Spin rounds per wait: 29.28 RW-shared, 15.11 RW-excl, 30.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 193791
Purge done for trx's n:o < 193791 undo n:o < 0 state: running
History list length 8
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284229960102248, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960098080, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960093912, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284229960089744, 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
2744 OS file reads, 4918 OS file writes, 2606 OS fsyncs
4.88 reads/s, 16384 avg bytes/read, 5.81 writes/s, 5.73 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, 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 1 buffer(s)
Hash table size 4441, node heap has 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
17.69 hash searches/s, 58.00 non-hash searches/s
---
LOG
---
Log sequence number 51858131
Log flushed up to   51858131
Pages flushed up to 51764666
Last checkpoint at  51762099
0 pending log flushes, 0 pending chkp writes
1581 log i/o's done, 4.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 150240
Buffer pool size   1003
Free buffers       747
Database pages     253
Old database pages 0
Modified db pages  145
Percent of dirty pages(LRU & free pages): 14.486
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 2680, created 158, written 2930
4.88 reads/s, 0.08 creates/s, 0.96 writes/s
Buffer pool hit rate 971 / 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: 253, unzip_LRU len: 0
I/O sum[666]:cur[4], 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=4224, Main thread ID=5896, state: sleeping
Number of rows inserted 0, updated 918, deleted 0, read 274917
0.00 inserts/s, 3.04 updates/s, 0.00 deletes/s, 46.23 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1492
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 14.35 reads/s
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END OF INNODB MONITOR OUTPUT
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