Depolama motorları

InnoDB

Supports transactions, row-level locking, and foreign keys

[ Değişkenler | Arabellek Havuzu | InnoDB Durumu ]

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2026-04-02 12:13:23 0x7f071c0d4700 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 25 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 94 srv_active, 0 srv_shutdown, 662 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 188
OS WAIT ARRAY INFO: signal count 177
RW-shared spins 8, rounds 13, OS waits 5
RW-excl spins 10, rounds 272, OS waits 10
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 1.62 RW-shared, 27.20 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 10312
Purge done for trx's n:o < 10312 undo n:o < 0 state: running but idle
History list length 22
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421143632845416, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421143632844544, 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
1580 OS file reads, 2769 OS file writes, 1208 OS fsyncs
0.20 reads/s, 13312 avg bytes/read, 3.12 writes/s, 2.08 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 1 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 3 buffer(s)
Hash table size 34679, node heap has 8 buffer(s)
3243.27 hash searches/s, 1596.94 non-hash searches/s
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LOG
---
Log sequence number          51256745
Log buffer assigned up to    51256745
Log buffer completed up to   51256745
Log written up to            51256745
Log flushed up to            51256745
Added dirty pages up to      51256745
Pages flushed up to          51256745
Last checkpoint at           51256745
859 log i/o's done, 1.25 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 882379
Buffer pool size   8192
Free buffers       6554
Database pages     1618
Old database pages 577
Modified db pages  0
Pending reads      0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 450, not young 1035
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1417, created 234, written 1616
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: 1618, unzip_LRU len: 0
I/O sum[71]: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=139668148639488 , state=sleeping
Number of rows inserted 879, updated 634, deleted 0, read 2673735
0.24 inserts/s, 0.20 updates/s, 0.00 deletes/s, 3915.28 reads/s
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END OF INNODB MONITOR OUTPUT
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