Механізми зберігання
InnoDB
Supports transactions, row-level locking, and foreign keys
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Змінні
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Буферний пул
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Статус InnoDB
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2026-03-06 07:41:34 0x7f7e580ab700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 35 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 37 srv_active, 0 srv_shutdown, 608 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 71
OS WAIT ARRAY INFO: signal count 69
RW-shared spins 2, rounds 3, OS waits 1
RW-excl spins 5, rounds 150, OS waits 5
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.50 RW-shared, 30.00 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 9939
Purge done for trx's n:o < 9939 undo n:o < 0 state: running but idle
History list length 34
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421655787731560, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421655787730688, 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
1284 OS file reads, 1238 OS file writes, 492 OS fsyncs
0.29 reads/s, 14848 avg bytes/read, 3.09 writes/s, 1.26 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 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 1 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 3 buffer(s)
Hash table size 34679, node heap has 7 buffer(s)
2589.35 hash searches/s, 2111.48 non-hash searches/s
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LOG
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Log sequence number 51058593
Log buffer assigned up to 51058593
Log buffer completed up to 51058593
Log written up to 51058593
Log flushed up to 51058593
Added dirty pages up to 51058593
Pages flushed up to 51058593
Last checkpoint at 51058593
307 log i/o's done, 0.86 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 671238
Buffer pool size 8192
Free buffers 6861
Database pages 1315
Old database pages 466
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 403, not young 219
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1155, created 257, written 751
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: 1315, unzip_LRU len: 0
I/O sum[85]: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=140180302538496 , state=sleeping
Number of rows inserted 16673, updated 418, deleted 17, read 1973591
0.60 inserts/s, 0.60 updates/s, 0.00 deletes/s, 3178.28 reads/s
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END OF INNODB MONITOR OUTPUT
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