Motors d'emmagatzematge
InnoDB
Supports transactions, row-level locking, and foreign keys
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Variables
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Reserva de memòria intermèdia
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Estat d'InnoDB
]
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2024-09-19 19:09:15 0x7f9be409a700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 6 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 251 srv_active, 0 srv_shutdown, 242 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 1565
OS WAIT ARRAY INFO: signal count 1568
RW-shared spins 439, rounds 850, OS waits 411
RW-excl spins 328, rounds 2779, OS waits 49
RW-sx spins 1, rounds 30, OS waits 1
Spin rounds per wait: 1.94 RW-shared, 8.47 RW-excl, 30.00 RW-sx
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TRANSACTIONS
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Trx id counter 25779
Purge done for trx's n:o < 25769 undo n:o < 0 state: running but idle
History list length 11
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421783044459984, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421783044459112, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421783044458240, 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
1501 OS file reads, 46964 OS file writes, 24148 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.50 writes/s, 0.17 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 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
Hash table size 34679, node heap has 10 buffer(s)
1147.98 hash searches/s, 126.65 non-hash searches/s
---
LOG
---
Log sequence number 68601130
Log buffer assigned up to 68601130
Log buffer completed up to 68601130
Log written up to 68601130
Log flushed up to 68601130
Added dirty pages up to 68601130
Pages flushed up to 68601130
Last checkpoint at 68601130
37519 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 3324570
Buffer pool size 8192
Free buffers 4382
Database pages 3782
Old database pages 1376
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 3590, not young 1329
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1376, created 2439, written 8022
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: 3782, unzip_LRU len: 0
I/O sum[7]: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=367, Main thread ID=140307560589056 , state=sleeping
Number of rows inserted 22639, updated 11848, deleted 3643, read 1111731
7.50 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1780.54 reads/s
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END OF INNODB MONITOR OUTPUT
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