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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2025-04-20 23:58:17 0x3a64 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 23 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 21440 srv_active, 0 srv_shutdown, 306733 srv_idle
srv_master_thread log flush and writes: 328173
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SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 653232
OS WAIT ARRAY INFO: signal count 177379
RW-shared spins 30012, rounds 897876, OS waits 28673
RW-excl spins 31, rounds 376, OS waits 8
RW-sx spins 1, rounds 1, OS waits 0
Spin rounds per wait: 29.92 RW-shared, 12.13 RW-excl, 1.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 44159
Purge done for trx's n:o < 44159 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283120202314232, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202310064, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202293392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202305896, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202301728, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283120202297560, 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
20492 OS file reads, 245969 OS file writes, 184282 OS fsyncs
0.30 reads/s, 16384 avg bytes/read, 2.00 writes/s, 1.52 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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 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 0 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)
6.96 hash searches/s, 18.74 non-hash searches/s
---
LOG
---
Log sequence number 25112978
Log flushed up to   25112978
Pages flushed up to 25112978
Last checkpoint at  25112969
0 pending log flushes, 0 pending chkp writes
108181 log i/o's done, 0.91 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 100160
Buffer pool size   1003
Free buffers       740
Database pages     259
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 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 20449, created 821, written 110403
0.30 reads/s, 0.00 creates/s, 0.87 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: 259, unzip_LRU len: 0
I/O sum[47]:cur[0], 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=4260, Main thread ID=5344, state: sleeping
Number of rows inserted 261, updated 21217, deleted 30, read 562312
0.00 inserts/s, 0.17 updates/s, 0.00 deletes/s, 6.61 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2831
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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