Úložiště
InnoDB
Supports transactions, row-level locking, foreign keys and encryption for tables
[
Proměnné
|
Vyrovnávací paměť
|
Stav InnoDB
]
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2026-11-03 15:50:47 0x2728 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 62 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 3403 srv_active, 0 srv_shutdown, 26863 srv_idle
srv_master_thread log flush and writes: 30266
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SEMAPHORES
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OS WAIT ARRAY INFO: reservation count 44454
OS WAIT ARRAY INFO: signal count 6718
RW-shared spins 3202, rounds 95896, OS waits 3150
RW-excl spins 38, rounds 561, OS waits 14
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 29.95 RW-shared, 14.76 RW-excl, 0.00 RW-sx
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TRANSACTIONS
------------
Trx id counter 43214
Purge done for trx's n:o < 43214 undo n:o < 0 state: running but idle
History list length 3
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283701114425632, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283701114421464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283701114417296, 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
9824 OS file reads, 43152 OS file writes, 27889 OS fsyncs
0.26 reads/s, 16384 avg bytes/read, 1.00 writes/s, 0.74 fsyncs/s
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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 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 0 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 0 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
8.48 hash searches/s, 25.64 non-hash searches/s
---
LOG
---
Log sequence number 30319881
Log flushed up to 30319861
Pages flushed up to 30316237
Last checkpoint at 30308323
0 pending log flushes, 0 pending chkp writes
15782 log i/o's done, 0.44 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 175280
Buffer pool size 1003
Free buffers 740
Database pages 258
Old database pages 0
Modified db pages 20
Percent of dirty pages(LRU & free pages): 2.002
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 9750, created 406, written 22807
0.26 reads/s, 0.00 creates/s, 0.45 writes/s
Buffer pool hit rate 995 / 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: 258, unzip_LRU len: 0
I/O sum[30]:cur[2], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=10628, Main thread ID=10804, state: sleeping
Number of rows inserted 18, updated 5128, deleted 3, read 231621
0.00 inserts/s, 0.19 updates/s, 0.00 deletes/s, 8.89 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 9510
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
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