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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2024-09-29 01:24:37 0x7ffae9222700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 31 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 45 srv_active, 0 srv_shutdown, 482 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 119
OS WAIT ARRAY INFO: signal count 121
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 4, rounds 120, OS waits 4
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 10240
Purge done for trx's n:o < 10239 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 422191672834664, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 422191672833792, 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
1705 OS file reads, 1648 OS file writes, 639 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 3.26 writes/s, 0.42 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 0 buffer(s)
Hash table size 34679, node heap has 4 buffer(s)
Hash table size 34679, node heap has 30 buffer(s)
1350.50 hash searches/s, 428.76 non-hash searches/s
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LOG
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Log sequence number 51051355
Log buffer assigned up to 51051355
Log buffer completed up to 51051355
Log written up to 51051355
Log flushed up to 51051355
Added dirty pages up to 51051355
Pages flushed up to 51051355
Last checkpoint at 51051355
525 log i/o's done, 0.19 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 796431
Buffer pool size 8192
Free buffers 6462
Database pages 1658
Old database pages 592
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 631, not young 82269
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1510, created 154, written 986
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: 1658, unzip_LRU len: 0
I/O sum[98]: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=140716187768576 , state=sleeping
Number of rows inserted 175, updated 478, deleted 0, read 1039207
0.03 inserts/s, 0.00 updates/s, 0.00 deletes/s, 1822.36 reads/s
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END OF INNODB MONITOR OUTPUT
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