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Sıralama:
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Daralt Genişlet İzi göster İzi gizle Sayı: Aldığı süre:
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Depolama motorları

InnoDB Belgeler

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

[ Değişkenler | Arabellek Havuzu | InnoDB Durumu ]


=====================================
2025-09-18 02:21:22 0x7f2e64500700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 7 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1665 srv_active, 0 srv_shutdown, 6675 srv_idle
srv_master_thread log flush and writes: 8337
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 6336
OS WAIT ARRAY INFO: signal count 4840
RW-shared spins 0, rounds 4050, OS waits 2024
RW-excl spins 0, rounds 210, OS waits 7
RW-sx spins 1, rounds 30, OS waits 1
Spin rounds per wait: 4050.00 RW-shared, 210.00 RW-excl, 30.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 41476
Purge done for trx's n:o < 41476 undo n:o < 0 state: running but idle
History list length 4
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421312205529592, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421312205525336, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421312205521080, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
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
860 OS file reads, 18733 OS file writes, 12335 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 2.14 writes/s, 2.14 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 9 buffer(s)
Hash table size 69257, node heap has 2 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 1 buffer(s)
Hash table size 69257, node heap has 3 buffer(s)
Hash table size 69257, node heap has 25 buffer(s)
Hash table size 69257, node heap has 0 buffer(s)
6.57 hash searches/s, 3.14 non-hash searches/s
---
LOG
---
Log sequence number 11864990
Log flushed up to   11864875
Pages flushed up to 11858312
Last checkpoint at  11858303
0 pending log flushes, 0 pending chkp writes
7768 log i/o's done, 2.14 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 285212672
Dictionary memory allocated 128256
Buffer pool size   16024
Free buffers       15126
Database pages     832
Old database pages 327
Modified db pages  55
Percent of dirty pages(LRU & free pages): 0.345
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 701, created 131, written 9438
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: 832, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=901, Main thread ID=139836459566848, state: sleeping
Number of rows inserted 1, updated 2019, deleted 0, read 1283615
0.00 inserts/s, 1.86 updates/s, 0.00 deletes/s, 5.71 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 2186
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================