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 08:13:41 0x1c54 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 24 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 9120 srv_active, 0 srv_shutdown, 1535428 srv_idle
srv_master_thread log flush and writes: 1544548
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 762724
OS WAIT ARRAY INFO: signal count 53421
RW-shared spins 10875, rounds 298800, OS waits 8560
RW-excl spins 1709, rounds 15658, OS waits 261
RW-sx spins 79, rounds 1966, OS waits 46
Spin rounds per wait: 27.48 RW-shared, 9.16 RW-excl, 24.89 RW-sx
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TRANSACTIONS
------------
Trx id counter 12764115
Purge done for trx's n:o < 12764115 undo n:o < 0 state: running
History list length 22
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283905839296872, 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 283905839292704, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283905839288536, 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
6475137 OS file reads, 290489 OS file writes, 124234 OS fsyncs
16.67 reads/s, 16384 avg bytes/read, 27.96 writes/s, 10.87 fsyncs/s
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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)
27.17 hash searches/s, 72.04 non-hash searches/s
---
LOG
---
Log sequence number 1304353619
Log flushed up to   1304353619
Pages flushed up to 1304341625
Last checkpoint at  1304341625
0 pending log flushes, 0 pending chkp writes
90829 log i/o's done, 7.33 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2150936
Buffer pool size   1003
Free buffers       739
Database pages     257
Old database pages 0
Modified db pages  22
Percent of dirty pages(LRU & free pages): 2.207
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 23321, not young 10647981
0.00 youngs/s, 0.00 non-youngs/s
Pages read 6474185, created 10086, written 187157
16.67 reads/s, 0.37 creates/s, 18.92 writes/s
Buffer pool hit rate 966 / 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: 257, unzip_LRU len: 0
I/O sum[1798]:cur[9], 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 30027, deleted 2, read 831739993
0.00 inserts/s, 6.25 updates/s, 0.00 deletes/s, 59.25 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 88561
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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