Motores de almacenamiento
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variables
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Reserva de búfers
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Estado del InnoDB
]
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2024-12-20 21:20:01 0x7fb47009a700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 9 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 18 srv_active, 0 srv_shutdown, 235 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 79
OS WAIT ARRAY INFO: signal count 79
RW-shared spins 13, rounds 24, OS waits 11
RW-excl spins 4, rounds 90, OS waits 3
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.85 RW-shared, 22.50 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 10053
Purge done for trx's n:o < 10053 undo n:o < 0 state: running but idle
History list length 26
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421888481615312, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421888481614440, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421888481613568, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
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
1278 OS file reads, 2049 OS file writes, 681 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 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 1 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)
158.32 hash searches/s, 41.22 non-hash searches/s
---
LOG
---
Log sequence number 51886261
Log buffer assigned up to 51886261
Log buffer completed up to 51886261
Log written up to 51886261
Log flushed up to 51886261
Added dirty pages up to 51886261
Pages flushed up to 51886261
Last checkpoint at 51886261
972 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 836945
Buffer pool size 8192
Free buffers 6688
Database pages 1487
Old database pages 529
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 471, not young 3334
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1183, created 307, written 924
0.00 reads/s, 0.00 creates/s, 0.00 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: 1487, unzip_LRU len: 0
I/O sum[1]: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=378, Main thread ID=140412997007104 , state=sleeping
Number of rows inserted 810, updated 3183, deleted 0, read 254582
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 359.63 reads/s
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END OF INNODB MONITOR OUTPUT
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