ストレージエンジン
InnoDB
Supports transactions, row-level locking, and foreign keys
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変数
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バッファプール
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InnoDB ステータス
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2024-09-28 23:25:12 0x7f6130052700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 14 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 42 srv_active, 0 srv_shutdown, 521 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 90
OS WAIT ARRAY INFO: signal count 91
RW-shared spins 1, rounds 1, OS waits 0
RW-excl spins 5, rounds 150, OS waits 5
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.00 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10014
Purge done for trx's n:o < 10013 undo n:o < 0 state: running but idle
History list length 38
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421530926185064, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421530926184192, 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
1540 OS file reads, 1223 OS file writes, 461 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.71 writes/s, 0.57 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 8 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
Hash table size 34679, node heap has 25 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
Hash table size 34679, node heap has 31 buffer(s)
5772.23 hash searches/s, 1380.90 non-hash searches/s
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LOG
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Log sequence number 51009806
Log buffer assigned up to 51009806
Log buffer completed up to 51009806
Log written up to 51009806
Log flushed up to 51009806
Added dirty pages up to 51009806
Pages flushed up to 51009806
Last checkpoint at 51009806
344 log i/o's done, 0.27 log i/o's/second
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BUFFER POOL AND MEMORY
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Total large memory allocated 137363456
Dictionary memory allocated 625629
Buffer pool size 8192
Free buffers 6559
Database pages 1558
Old database pages 555
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 514, not young 196661
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1413, created 266, written 709
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: 1558, unzip_LRU len: 0
I/O sum[5]: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=376, Main thread ID=140055440979712 , state=sleeping
Number of rows inserted 33324, updated 413, deleted 0, read 2168469
0.00 inserts/s, 0.07 updates/s, 0.00 deletes/s, 7138.20 reads/s
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END OF INNODB MONITOR OUTPUT
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