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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2024-09-27 02:14:13 0x7f3c4c0d4700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 12 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 77 srv_active, 0 srv_shutdown, 727 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 105
OS WAIT ARRAY INFO: signal count 106
RW-shared spins 4, rounds 5, OS waits 1
RW-excl spins 4, rounds 120, OS waits 3
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.25 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10050
Purge done for trx's n:o < 10049 undo n:o < 0 state: running but idle
History list length 17
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421372458388072, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421372458387200, 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
1523 OS file reads, 1644 OS file writes, 660 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 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 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 4 buffer(s)
Hash table size 34679, node heap has 6 buffer(s)
3634.28 hash searches/s, 2007.67 non-hash searches/s
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LOG
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Log sequence number 51092252
Log buffer assigned up to 51092252
Log buffer completed up to 51092252
Log written up to 51092252
Log flushed up to 51092252
Added dirty pages up to 51092252
Pages flushed up to 51092252
Last checkpoint at 51092252
422 log i/o's done, 0.00 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 714713
Buffer pool size 8192
Free buffers 6623
Database pages 1551
Old database pages 554
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 487, not young 322919
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1382, created 253, written 1007
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: 1551, unzip_LRU len: 0
I/O sum[10]: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=370, Main thread ID=139896971802368 , state=sleeping
Number of rows inserted 1259, updated 492, deleted 0, read 2227304
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 4042.50 reads/s
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END OF INNODB MONITOR OUTPUT
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