Drop files here

SQL upload ( 0 ) x -

Page-related settings Click on the bar to scroll to top of page
Press Ctrl+Enter to execute query Press Enter to execute query
ascending
descending
Order:
Debug SQL
Count
Execution order
Time taken
Order by:
Group queries
Ungroup queries
Collapse Expand Show trace Hide trace Count : Time taken :
Bookmarks
Refresh
Add
No bookmarks
Add bookmark
Options
Set default





Collapse Expand Requery Edit Explain Profiling Bookmark Query failed Database : Queried time :

Storage engines

InnoDB Documentation

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

[ Variables | Buffer Pool | InnoDB Status ]


=====================================
2026-07-14 23:19:23 0x301c INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 2 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 9260 srv_active, 0 srv_shutdown, 13272 srv_idle
srv_master_thread log flush and writes: 22532
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 21159
OS WAIT ARRAY INFO: signal count 12551
RW-shared spins 10881, rounds 201905, OS waits 4861
RW-excl spins 8846, rounds 18161, OS waits 157
RW-sx spins 210, rounds 1681, OS waits 29
Spin rounds per wait: 18.56 RW-shared, 2.05 RW-excl, 8.00 RW-sx
------------
TRANSACTIONS
------------
Trx id counter 45396
Purge done for trx's n:o < 45396 undo n:o < 0 state: running but idle
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283359865463432, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865459264, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865455096, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865450928, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865446760, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865442592, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865438424, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283359865434256, 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
95609 OS file reads, 128390 OS file writes, 65153 OS fsyncs
3.00 reads/s, 16384 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 0, seg size 2, 152 merges
merged operations:
 insert 925, 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 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)
Hash table size 4441, node heap has 1 buffer(s)
Hash table size 4441, node heap has 1 buffer(s)
0.00 hash searches/s, 4.00 non-hash searches/s
---
LOG
---
Log sequence number 170358404
Log flushed up to   170358404
Pages flushed up to 170358404
Last checkpoint at  170358395
0 pending log flushes, 0 pending chkp writes
33611 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 212840
Buffer pool size   1003
Free buffers       735
Database pages     261
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 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 1556, not young 403768
0.00 youngs/s, 0.00 non-youngs/s
Pages read 95394, created 7637, written 83445
3.00 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 454 / 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: 261, unzip_LRU len: 0
I/O sum[62]:cur[6], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=3720, Main thread ID=13284, state: sleeping
Number of rows inserted 126988, updated 13964, deleted 0, read 2974660
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 2.50 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 33720
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================