Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

=====================================
2025-07-13 23:04:00 0x2b00 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 8 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 3457 srv_active, 0 srv_shutdown, 35021 srv_idle
srv_master_thread log flush and writes: 38478
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 4516
OS WAIT ARRAY INFO: signal count 6141
RW-shared spins 13758, rounds 141022, OS waits 2859
RW-excl spins 3467, rounds 34871, OS waits 847
RW-sx spins 44, rounds 446, OS waits 10
Spin rounds per wait: 10.25 RW-shared, 10.06 RW-excl, 10.14 RW-sx
------------------------
LATEST FOREIGN KEY ERROR
------------------------
2025-07-13 12:54:03 0x2438 Transaction:
TRANSACTION 4448117, ACTIVE 0 sec inserting
mysql tables in use 1, locked 1
3 lock struct(s), heap size 1128, 1 row lock(s)
MySQL thread id 8, OS thread handle 9272, query id 32529 DESKTOP-3HIC49Q 192.168.10.121 khanza Update
insert into opname values('TAB0005','1174.0','2025-07-13','0.0','145','0','0','145.0','170230.0','so','1','','')
Foreign key constraint fails for table `khanza_pelita`.`opname`:
,
  CONSTRAINT `opname_ibfk_1` FOREIGN KEY (`kode_brng`) REFERENCES `databarang` (`kode_brng`) ON DELETE CASCADE ON UPDATE CASCADE in parent table, in index PRIMARY tuple:
DATA TUPLE: 15 fields;
 0: len 7; hex 54414230303035; asc TAB0005;;
 1: len 3; hex 8fd2ed; asc    ;;
 2: len 5; hex 3120202020; asc 1    ;;
 3: len 0; hex ; asc ;;
 4: len 0; hex ; asc ;;
 5: len 6; hex 00000043df75; asc    C u;;
 6: len 7; hex a5000002f32846; asc      (F;;
 7: len 8; hex 0000000000589240; asc      X @;;
 8: len 8; hex 0000000000000000; asc         ;;
 9: len 8; hex 0000000000206240; asc       b@;;
 10: len 8; hex 0000000000000000; asc         ;;
 11: len 8; hex 0000000000000000; asc         ;;
 12: len 8; hex 0000000000206240; asc       b@;;
 13: len 8; hex 00000000b0c70441; asc        A;;
 14: len 2; hex 736f; asc so;;

But in parent table `khanza_pelita`.`databarang`, in index PRIMARY,
the closest match we can find is record:
PHYSICAL RECORD: n_fields 28; compact format; info bits 0
 0: len 7; hex 54414230303036; asc TAB0006;;
 1: len 6; hex 000000000000; asc       ;;
 2: len 7; hex 80000000000000; asc        ;;
 3: len 30; hex 414b4954412054414220284174746170756c676974652026205065637469; asc AKITA TAB (Attapulgite & Pecti; (total 32 bytes);
 4: len 4; hex 424f5820; asc BOX ;;
 5: len 4; hex 54414220; asc TAB ;;
 6: len 1; hex 2d; asc -;;
 7: len 8; hex 0000000000c07240; asc       r@;;
 8: len 8; hex 0000000000d07440; asc       t@;;
 9: len 8; hex 0000000000c08240; asc        @;;
 10: len 8; hex 0000000000c08240; asc        @;;
 11: len 8; hex 0000000000c08240; asc        @;;
 12: len 8; hex 0000000000c08240; asc        @;;
 13: len 8; hex 0000000000c08240; asc        @;;
 14: len 8; hex 0000000000c08240; asc        @;;
 15: len 8; hex 0000000000c08240; asc        @;;
 16: len 8; hex 0000000000c08240; asc        @;;
 17: len 8; hex 0000000000c08240; asc        @;;
 18: len 8; hex 0000000000007940; asc       y@;;
 19: len 8; hex 0000000000000000; asc         ;;
 20: len 4; hex 4a423031; asc JB01;;
 21: len 8; hex 000000000000f03f; asc        ?;;
 22: len 8; hex 000000000000f03f; asc        ?;;
 23: len 3; hex 8fd59e; asc    ;;
 24: len 1; hex 01; asc  ;;
 25: len 5; hex 4930303132; asc I0012;;
 26: len 4; hex 4b303620; asc K06 ;;
 27: len 4; hex 47303420; asc G04 ;;

------------
TRANSACTIONS
------------
Trx id counter 4453730
Purge done for trx's n:o < 4453730 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283593925231464, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925223112, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925260696, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925227288, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925210584, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925252344, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925202232, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925198056, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925193880, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925256520, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925218936, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925248168, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925243992, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925239816, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925235640, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925214760, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283593925206408, 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
514765 OS file reads, 48870 OS file writes, 19106 OS fsyncs
0.25 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 194, seg size 196, 11606 merges
merged operations:
 insert 21302, delete mark 714, delete 254
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 2 buffer(s)
12.75 hash searches/s, 15.37 non-hash searches/s
---
LOG
---
Log sequence number 4004656491
Log flushed up to   4004656491
Pages flushed up to 4004656491
Last checkpoint at  4004656482
0 pending log flushes, 0 pending chkp writes
10471 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 2616680
Buffer pool size   1003
Free buffers       736
Database pages     258
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 61061, not young 29652209
0.00 youngs/s, 0.00 non-youngs/s
Pages read 513714, created 477, written 36069
0.25 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 996 / 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[200]:cur[2], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 queries inside InnoDB, 0 queries in queue
0 read views open inside InnoDB
Process ID=4580, Main thread ID=10732, state: sleeping
Number of rows inserted 15223, updated 1311, deleted 62, read 89147703
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 227.22 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 0
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================