Depolama motorları
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Değişkenler
|
Arabellek Havuzu
|
InnoDB Durumu
]
=====================================
2026-09-12 05:58:43 0x5820 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 37 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 3012 srv_active, 0 srv_shutdown, 233647 srv_idle
srv_master_thread log flush and writes: 236659
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 1316
OS WAIT ARRAY INFO: signal count 1134
RW-shared spins 825, rounds 21895, OS waits 700
RW-excl spins 577, rounds 3109, OS waits 81
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 26.54 RW-shared, 5.39 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 4855650
Purge done for trx's n:o < 4855650 undo n:o < 0 state: running
History list length 8
LIST OF TRANSACTIONS FOR EACH SESSION:
---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)
--------
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
96316 OS file reads, 12858 OS file writes, 6423 OS fsyncs
1 pending reads, 0 pending writes
1.76 reads/s, 16384 avg bytes/read, 8.46 writes/s, 4.78 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
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)
9.19 hash searches/s, 22.81 non-hash searches/s
---
LOG
---
Log sequence number 9180063131
Log flushed up to 9180063131
Pages flushed up to 9180063131
Last checkpoint at 9180043170
0 pending log flushes, 0 pending chkp writes
3930 log i/o's done, 2.76 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 555888
Buffer pool size 1003
Free buffers 741
Database pages 254
Old database pages 0
Modified db pages 0
Percent of dirty pages(LRU & free pages): 0.000
Max dirty pages percent: 75.000
Pending reads 1
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 612, not young 1033861
0.00 youngs/s, 0.00 non-youngs/s
Pages read 96090, created 206, written 8020
1.73 reads/s, 0.03 creates/s, 4.95 writes/s
Buffer pool hit rate 978 / 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: 254, unzip_LRU len: 0
I/O sum[538]: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=3384, Main thread ID=4372, state: sleeping
Number of rows inserted 330, updated 1480, deleted 2, read 3911550
0.00 inserts/s, 1.35 updates/s, 0.00 deletes/s, 8.68 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 9299
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
