Depolama motorları
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
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Değişkenler
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Arabellek Havuzu
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InnoDB Durumu
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2026-09-12 06:09:51 0x5740 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 24 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 3149 srv_active, 0 srv_shutdown, 234170 srv_idle
srv_master_thread log flush and writes: 237319
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1649
OS WAIT ARRAY INFO: signal count 1295
RW-shared spins 937, rounds 24561, OS waits 757
RW-excl spins 620, rounds 3275, OS waits 86
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 26.21 RW-shared, 5.28 RW-excl, 0.00 RW-sx
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TRANSACTIONS
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Trx id counter 4857120
Purge done for trx's n:o < 4857120 undo n:o < 0 state: running but idle
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283421890802024, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283421890797856, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283421890793688, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283421890789520, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
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I/O thread 0 state: native aio handle (insert buffer thread)
I/O thread 1 state: native aio handle (log thread)
I/O thread 2 state: native aio handle (read thread)
I/O thread 3 state: native aio handle (read thread)
I/O thread 4 state: native aio handle (read thread)
I/O thread 5 state: native aio handle (read thread)
I/O thread 6 state: native aio handle (write thread)
I/O thread 7 state: native aio handle (write thread)
I/O thread 8 state: native aio handle (write thread)
I/O thread 9 state: native aio handle (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
105007 OS file reads, 15755 OS file writes, 7747 OS fsyncs
5.08 reads/s, 16384 avg bytes/read, 15.17 writes/s, 6.83 fsyncs/s
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INSERT BUFFER AND ADAPTIVE HASH INDEX
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Ibuf: size 1, free list len 257, seg size 259, 103 merges
merged operations:
insert 131, delete mark 1, delete 0
discarded operations:
insert 0, delete mark 0, delete 0
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
17.08 hash searches/s, 42.37 non-hash searches/s
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LOG
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Log sequence number 9180971917
Log flushed up to 9180971897
Pages flushed up to 9180921483
Last checkpoint at 9180917306
0 pending log flushes, 0 pending chkp writes
4859 log i/o's done, 4.33 log i/o's/second
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BUFFER POOL AND MEMORY
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Total large memory allocated 33554432
Dictionary memory allocated 555888
Buffer pool size 1003
Free buffers 723
Database pages 272
Old database pages 0
Modified db pages 88
Percent of dirty pages(LRU & free pages): 8.835
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 629, not young 1066585
0.00 youngs/s, 0.00 non-youngs/s
Pages read 104782, created 252, written 9805
5.08 reads/s, 0.17 creates/s, 9.75 writes/s
Buffer pool hit rate 969 / 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: 272, unzip_LRU len: 0
I/O sum[1269]:cur[3], 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=3384, Main thread ID=4372, state: sleeping
Number of rows inserted 330, updated 2200, deleted 2, read 4378385
0.00 inserts/s, 3.08 updates/s, 0.00 deletes/s, 17.54 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 9769
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
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END OF INNODB MONITOR OUTPUT
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