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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2025-11-02 09:31:12 0x7f18c84c9700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 28 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 913 srv_active, 0 srv_shutdown, 4439 srv_idle
srv_master_thread log flush and writes: 5350
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 3338
OS WAIT ARRAY INFO: signal count 3185
RW-shared spins 0, rounds 2298, OS waits 1144
RW-excl spins 0, rounds 211, OS waits 8
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 2298.00 RW-shared, 211.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 40926
Purge done for trx's n:o < 40926 undo n:o < 0 state: running but idle
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421219393745400, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421219393741144, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421219393736888, 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
846 OS file reads, 12792 OS file writes, 7137 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 5.96 writes/s, 2.54 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 69257, node heap has 0 buffer(s)
Hash table size 69257, node heap has 9 buffer(s)
Hash table size 69257, node heap has 2 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 3 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
5.68 hash searches/s, 2.71 non-hash searches/s
---
LOG
---
Log sequence number 11347397
Log flushed up to   11347397
Pages flushed up to 11330572
Last checkpoint at  11330572
0 pending log flushes, 0 pending chkp writes
4863 log i/o's done, 1.86 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 285212672
Dictionary memory allocated 128256
Buffer pool size   16024
Free buffers       15141
Database pages     818
Old database pages 321
Modified db pages  51
Percent of dirty pages(LRU & free pages): 0.320
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 687, created 131, written 7175
0.00 reads/s, 0.00 creates/s, 3.82 writes/s
Buffer pool hit rate 1000 / 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: 818, unzip_LRU len: 0
I/O sum[0]:cur[0], 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=904, Main thread ID=139743648007936, state: sleeping
Number of rows inserted 1, updated 1655, deleted 0, read 482028
0.00 inserts/s, 1.43 updates/s, 0.00 deletes/s, 3.61 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1841
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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