Depolama motorları

InnoDB

Supports transactions, row-level locking, foreign keys and encryption for tables

[ Değişkenler | Arabellek Havuzu | InnoDB Durumu ]

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2025-12-12 03:16:46 0x9b28 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: 592 srv_active, 0 srv_shutdown, 95472 srv_idle
srv_master_thread log flush and writes: 96064
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 2227
OS WAIT ARRAY INFO: signal count 1129
RW-shared spins 582, rounds 16539, OS waits 480
RW-excl spins 392, rounds 1216, OS waits 4
RW-sx spins 1, rounds 9, OS waits 0
Spin rounds per wait: 28.42 RW-shared, 3.10 RW-excl, 9.00 RW-sx
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TRANSACTIONS
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Trx id counter 18749
Purge done for trx's n:o < 18749 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284290560180512, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284290560176344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284290560172176, 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: 1; buffer pool: 0
2225 OS file reads, 7883 OS file writes, 3721 OS fsyncs
0.06 reads/s, 16384 avg bytes/read, 0.06 writes/s, 0.06 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 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 0 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)
7.20 hash searches/s, 23.60 non-hash searches/s
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LOG
---
Log sequence number 5683470
Log flushed up to   5683450
Pages flushed up to 5682502
Last checkpoint at  5682493
1 pending log flushes, 0 pending chkp writes
2293 log i/o's done, 0.06 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 120192
Buffer pool size   1003
Free buffers       740
Database pages     256
Old database pages 0
Modified db pages  3
Percent of dirty pages(LRU & free pages): 0.301
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 3, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 2175, created 189, written 5138
0.06 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 998 / 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: 256, unzip_LRU len: 0
I/O sum[2]:cur[1], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 queries inside InnoDB, 0 queries in queue
1 read views open inside InnoDB
Process ID=26940, Main thread ID=15292, state: sleeping
Number of rows inserted 208, updated 648, deleted 4, read 74971
0.00 inserts/s, 0.03 updates/s, 0.00 deletes/s, 7.20 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2279
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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