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 01:25:29 0x79a4a36886c0 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 44 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 5286 srv_active, 0 srv_shutdown, 14443 srv_idle
srv_master_thread log flush and writes: 19729
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 211561
OS WAIT ARRAY INFO: signal count 56696
RW-shared spins 1946, rounds 57682, OS waits 1888
RW-excl spins 2378, rounds 70445, OS waits 2319
RW-sx spins 23, rounds 577, OS waits 17
Spin rounds per wait: 29.64 RW-shared, 29.62 RW-excl, 25.09 RW-sx
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TRANSACTIONS
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Trx id counter 26809
Purge done for trx's n:o < 26809 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 415222949687680, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415222949683464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415222949679248, not started flushing log
mysql tables in use 1, locked 1
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: complete io for buf page (write thread) ev set
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: 1; buffer pool: 1
13347 OS file reads, 49343 OS file writes, 29109 OS fsyncs
1.75 reads/s, 16384 avg bytes/read, 1.91 writes/s, 1.73 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, 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)
6.23 hash searches/s, 21.23 non-hash searches/s
---
LOG
---
Log sequence number 23602433
Log flushed up to   23602016
Pages flushed up to 23552936
Last checkpoint at  23552804
1 pending log flushes, 0 pending chkp writes
14538 log i/o's done, 0.86 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  89
Percent of dirty pages(LRU & free pages): 8.909
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 1, flush list 0, single page 0
Pages made young 9, not young 11
0.00 youngs/s, 0.00 non-youngs/s
Pages read 13298, created 364, written 29111
1.71 reads/s, 0.07 creates/s, 0.62 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: 256, unzip_LRU len: 0
I/O sum[129]: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=38622, Main thread ID=133746908960448, state: sleeping
Number of rows inserted 77, updated 7090, deleted 10, read 1814887
0.00 inserts/s, 0.86 updates/s, 0.00 deletes/s, 88.32 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 11308
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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