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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2025-12-06 10:07:44 0x2974 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 7 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 9648 srv_active, 0 srv_shutdown, 1541625 srv_idle
srv_master_thread log flush and writes: 1551273
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 804700
OS WAIT ARRAY INFO: signal count 54626
RW-shared spins 11196, rounds 308061, OS waits 8748
RW-excl spins 1720, rounds 15947, OS waits 263
RW-sx spins 79, rounds 1966, OS waits 46
Spin rounds per wait: 27.52 RW-shared, 9.27 RW-excl, 24.89 RW-sx
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TRANSACTIONS
------------
Trx id counter 12777441
Purge done for trx's n:o < 12777439 undo n:o < 0 state: running but idle
History list length 6
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283905839288536, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839284368, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839305208, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839301040, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839296872, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839292704, 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
6486440 OS file reads, 308151 OS file writes, 131199 OS fsyncs
1.43 reads/s, 16384 avg bytes/read, 0.71 writes/s, 0.71 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 11, seg size 13, 23 merges
merged operations:
 insert 0, delete mark 23, 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 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 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
6.28 hash searches/s, 19.28 non-hash searches/s
---
LOG
---
Log sequence number 1309283218
Log flushed up to   1309283218
Pages flushed up to 1309277750
Last checkpoint at  1309277741
0 pending log flushes, 0 pending chkp writes
95782 log i/o's done, 0.71 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2150936
Buffer pool size   1003
Free buffers       733
Database pages     263
Old database pages 0
Modified db pages  11
Percent of dirty pages(LRU & free pages): 1.103
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 23497, not young 10648571
0.00 youngs/s, 0.00 non-youngs/s
Pages read 6485488, created 10303, written 198947
1.43 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 963 / 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: 263, unzip_LRU len: 0
I/O sum[0]:cur[10], 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=3388, Main thread ID=4600, state: sleeping
Number of rows inserted 37203, updated 33956, deleted 2, read 835554526
0.00 inserts/s, 0.71 updates/s, 0.00 deletes/s, 6.14 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 132942
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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