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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2026-10-10 02:55:05 0x79a4a331e6c0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 50 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 8367 srv_active, 0 srv_shutdown, 14747 srv_idle
srv_master_thread log flush and writes: 23114
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 352016
OS WAIT ARRAY INFO: signal count 91276
RW-shared spins 3142, rounds 94087, OS waits 3032
RW-excl spins 3615, rounds 110060, OS waits 3596
RW-sx spins 35, rounds 937, OS waits 29
Spin rounds per wait: 29.94 RW-shared, 30.45 RW-excl, 26.77 RW-sx
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TRANSACTIONS
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Trx id counter 40701
Purge done for trx's n:o < 40701 undo n:o < 0 state: running but idle
History list length 7
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 415222949683464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415222949679248, 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: waiting for i/o request (insert buffer thread)
I/O thread 1 state: waiting for i/o request (log thread)
I/O thread 2 state: waiting for i/o request (read thread)
I/O thread 3 state: waiting for i/o request (read thread)
I/O thread 4 state: waiting for i/o request (read thread)
I/O thread 5 state: waiting for i/o request (read thread)
I/O thread 6 state: waiting for i/o request (write thread)
I/O thread 7 state: waiting for i/o request (write thread)
I/O thread 8 state: waiting for i/o request (write thread)
I/O thread 9 state: waiting for i/o request (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
21799 OS file reads, 80754 OS file writes, 46230 OS fsyncs
0.36 reads/s, 16384 avg bytes/read, 5.30 writes/s, 3.24 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, 1 merges
merged operations:
 insert 0, delete mark 1, 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 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)
3.80 hash searches/s, 16.14 non-hash searches/s
---
LOG
---
Log sequence number 29062264
Log flushed up to   29062264
Pages flushed up to 29062264
Last checkpoint at  29062255
0 pending log flushes, 0 pending chkp writes
23296 log i/o's done, 1.78 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 112240
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 9, not young 11
0.00 youngs/s, 0.00 non-youngs/s
Pages read 21750, created 537, written 48320
0.36 reads/s, 0.00 creates/s, 2.90 writes/s
Buffer pool hit rate 992 / 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[188]:cur[0], 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=38622, Main thread ID=133746908960448, state: sleeping
Number of rows inserted 80, updated 12632, deleted 10, read 2297144
0.00 inserts/s, 0.88 updates/s, 0.00 deletes/s, 15.36 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 21096
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 8.04 reads/s
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END OF INNODB MONITOR OUTPUT
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