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 02:54:41 0x99f8 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 52 seconds
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BACKGROUND THREAD
-----------------
srv_master_thread loops: 467 srv_active, 0 srv_shutdown, 94286 srv_idle
srv_master_thread log flush and writes: 94753
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 1685
OS WAIT ARRAY INFO: signal count 880
RW-shared spins 476, rounds 13427, OS waits 407
RW-excl spins 373, rounds 1127, OS waits 3
RW-sx spins 1, rounds 9, OS waits 0
Spin rounds per wait: 28.21 RW-shared, 3.02 RW-excl, 9.00 RW-sx
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TRANSACTIONS
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Trx id counter 17924
Purge done for trx's n:o < 17924 undo n:o < 0 state: running
History list length 7
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 284290560180512, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284290560188848, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 284290560184680, 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)
---TRANSACTION 284290560176344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
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
1701 OS file reads, 5441 OS file writes, 2637 OS fsyncs
0.31 reads/s, 16384 avg bytes/read, 1.87 writes/s, 0.90 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)
2.71 hash searches/s, 8.27 non-hash searches/s
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LOG
---
Log sequence number 5276695
Log flushed up to   5276659
Pages flushed up to 5275665
Last checkpoint at  5261495
0 pending log flushes, 0 pending chkp writes
1590 log i/o's done, 0.58 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 120192
Buffer pool size   1003
Free buffers       739
Database pages     257
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 0, single page 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 1651, created 177, written 3534
0.31 reads/s, 0.00 creates/s, 1.17 writes/s
Buffer pool hit rate 987 / 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: 257, unzip_LRU len: 0
I/O sum[58]:cur[13], 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=26940, Main thread ID=15292, state: sleeping
Number of rows inserted 176, updated 307, deleted 4, read 69084
0.00 inserts/s, 0.31 updates/s, 0.00 deletes/s, 4.75 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 1557
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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