Motores de almacenamiento

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Variables | Reserva de búfers | Estado del InnoDB ]

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2025-09-15 09:25:12 0x7f48f40b3700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 16 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 55 srv_active, 0 srv_shutdown, 509 srv_idle
srv_master_thread log flush and writes: 0
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 118
OS WAIT ARRAY INFO: signal count 118
RW-shared spins 2, rounds 3, OS waits 1
RW-excl spins 5, rounds 121, OS waits 4
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.50 RW-shared, 24.20 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10094
Purge done for trx's n:o < 10093 undo n:o < 0 state: running but idle
History list length 14
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421426421070440, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421426421069568, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
--------
I/O thread 0 state: waiting for completed aio requests (insert buffer thread)
I/O thread 1 state: waiting for completed aio requests (log thread)
I/O thread 2 state: waiting for completed aio requests (read thread)
I/O thread 3 state: waiting for completed aio requests (read thread)
I/O thread 4 state: waiting for completed aio requests (read thread)
I/O thread 5 state: waiting for completed aio requests (read thread)
I/O thread 6 state: waiting for completed aio requests (write thread)
I/O thread 7 state: waiting for completed aio requests (write thread)
I/O thread 8 state: waiting for completed aio requests (write thread)
I/O thread 9 state: waiting for completed aio requests (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
1605 OS file reads, 1801 OS file writes, 728 OS fsyncs
0.56 reads/s, 12970 avg bytes/read, 1.56 writes/s, 0.87 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 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 0 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 7 buffer(s)
629.71 hash searches/s, 306.79 non-hash searches/s
---
LOG
---
Log sequence number          51130869
Log buffer assigned up to    51130869
Log buffer completed up to   51130869
Log written up to            51130869
Log flushed up to            51130869
Added dirty pages up to      51130869
Pages flushed up to          51130869
Last checkpoint at           51130869
553 log i/o's done, 0.69 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 818625
Buffer pool size   8192
Free buffers       6591
Database pages     1585
Old database pages 566
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 370, not young 114
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1414, created 192, written 1059
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 0 / 1000 not 1 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1585, unzip_LRU len: 0
I/O sum[113]:cur[12], 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=366, Main thread ID=139950936999680 , state=sleeping
Number of rows inserted 650, updated 498, deleted 2, read 587000
0.00 inserts/s, 0.31 updates/s, 0.00 deletes/s, 1516.03 reads/s
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END OF INNODB MONITOR OUTPUT
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