Silniki pamięci masowej
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Zmienne
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Rezerwy buforowe
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Status InnoDB
]
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2025-11-05 06:47:54 0x7ff670048700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 5 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 7 srv_active, 0 srv_shutdown, 119 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 33
OS WAIT ARRAY INFO: signal count 33
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 1, rounds 30, OS waits 1
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9822
Purge done for trx's n:o < 9815 undo n:o < 0 state: running but idle
History list length 75
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422171433765480, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422171433764608, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
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FILE I/O
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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
1190 OS file reads, 361 OS file writes, 107 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 8.80 writes/s, 5.20 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 1 buffer(s)
Hash table size 34679, node heap has 0 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)
1504.30 hash searches/s, 414.72 non-hash searches/s
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LOG
---
Log sequence number 50960972
Log buffer assigned up to 50960972
Log buffer completed up to 50960972
Log written up to 50960972
Log flushed up to 50960972
Added dirty pages up to 50960972
Pages flushed up to 50951825
Last checkpoint at 50951825
81 log i/o's done, 8.20 log i/o's/second
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 137363456
Dictionary memory allocated 831191
Buffer pool size 8192
Free buffers 6933
Database pages 1242
Old database pages 438
Modified db pages 48
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 142, not young 786
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1099, created 240, written 188
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 1000 / 1000, young-making rate 5 / 1000 not 0 / 1000
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 1242, unzip_LRU len: 0
I/O sum[44]: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=375, Main thread ID=140695944763136 , state=sleeping
Number of rows inserted 18100, updated 342, deleted 0, read 274882
9.00 inserts/s, 4.20 updates/s, 0.00 deletes/s, 3279.74 reads/s
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END OF INNODB MONITOR OUTPUT
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