Storage engines
InnoDB
Supports transactions, row-level locking, and foreign keys
[
Variablat
|
Pellgu zbutës
|
Statusi InnoDB
]
=====================================
2026-05-24 02:56:41 133705437804224 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 5 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 1416 srv_active, 0 srv_shutdown, 670308 srv_idle
srv_master_thread log flush and writes: 0
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 16479
OS WAIT ARRAY INFO: signal count 14542
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 15185
Purge done for trx's n:o < 15185 undo n:o < 0 state: running but idle
History list length 16
LIST OF TRANSACTIONS FOR EACH SESSION:
---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 415180546641112, 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
1004 OS file reads, 41073 OS file writes, 29956 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 1.85 writes/s, 1.66 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 8 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 2 buffer(s)
103.98 hash searches/s, 65.19 non-hash searches/s
---
LOG
---
Log capacity 104857600
Log capacity used 104857600
Log sequence number 25980872
Log buffer assigned up to 25980872
Log buffer completed up to 25980872
Log written up to 25980872
Log flushed up to 25980872
Added dirty pages up to 25980872
Pages flushed up to 25979409
Last checkpoint at 25979409
Log minimum file id is 5
Log maximum file id is 7
20775 log i/o's done, 0.67 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 0
Dictionary memory allocated 1082220
Buffer pool size 8191
Free buffers 6473
Database pages 1695
Old database pages 605
Modified db pages 0
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 2092, not young 802
0.00 youngs/s, 0.00 non-youngs/s
Pages read 977, created 1267, written 14846
0.00 reads/s, 0.00 creates/s, 0.74 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: 1695, unzip_LRU len: 0
I/O sum[48]:cur[4], 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 52365, updated 1400, deleted 1864, read 59794
0.00 inserts/s, 0.20 updates/s, 0.00 deletes/s, 2.60 reads/s
Number of system rows inserted 1163, updated 1702, deleted 9, read 6011697
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 165.57 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================
