Storage engines
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variablat
|
Pellgu zbutës
|
Statusi InnoDB
]
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2026-05-24 00:31:38 133705556268736 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 36 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1209 srv_active, 0 srv_shutdown, 661815 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 13566
OS WAIT ARRAY INFO: signal count 12173
RW-shared spins 0, rounds 0, OS waits 0
RW-excl spins 0, rounds 0, OS waits 0
RW-sx spins 0, rounds 0, OS waits 0
Spin rounds per wait: 0.00 RW-shared, 0.00 RW-excl, 0.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 13973
Purge done for trx's n:o < 13971 undo n:o < 0 state: running but idle
History list length 5
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 415180546645152, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546644344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546643536, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546641112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546642728, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546641920, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546640304, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 415180546639496, not started
0 lock struct(s), heap size 1128, 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 (read 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 (write 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)
Pending normal aio reads: [0, 0, 0, 0] , aio writes: [0, 0, 0, 0] ,
ibuf aio reads:
Pending flushes (fsync) log: 0; buffer pool: 0
988 OS file reads, 35740 OS file writes, 26301 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 4.84 writes/s, 3.85 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 34679, node heap has 7 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 3 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 2 buffer(s)
Hash table size 34679, node heap has 1 buffer(s)
394.29 hash searches/s, 235.16 non-hash searches/s
---
LOG
---
Log capacity 104857600
Log capacity used 104857600
Log sequence number 25065707
Log buffer assigned up to 25065707
Log buffer completed up to 25065707
Log written up to 25065707
Log flushed up to 25065707
Added dirty pages up to 25065707
Pages flushed up to 25045486
Last checkpoint at 25045486
Log minimum file id is 5
Log maximum file id is 7
18284 log i/o's done, 3.31 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 1082220
Buffer pool size 8191
Free buffers 6584
Database pages 1586
Old database pages 565
Modified db pages 64
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1048, not young 386
0.78 youngs/s, 0.00 non-youngs/s
Pages read 961, created 658, written 12646
0.00 reads/s, 0.25 creates/s, 1.11 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: 1586, unzip_LRU len: 0
I/O sum[40]: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=22495, Main thread ID=133705026766528 , state=sleeping
Number of rows inserted 2146, updated 819, deleted 1864, read 22851
2.64 inserts/s, 0.81 updates/s, 0.00 deletes/s, 9.11 reads/s
Number of system rows inserted 1163, updated 1692, deleted 9, read 5571511
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 597.68 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
