Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

=====================================
2025-05-04 18:33:08 0x7f8c5744b700 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 1 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 249675 srv_active, 0 srv_shutdown, 1775715 srv_idle
srv_master_thread log flush and writes: 2024814
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 4392501
OS WAIT ARRAY INFO: signal count 2525414
RW-shared spins 0, rounds 861089, OS waits 177451
RW-excl spins 0, rounds 159165, OS waits 1142
RW-sx spins 1100, rounds 15478, OS waits 203
Spin rounds per wait: 861089.00 RW-shared, 159165.00 RW-excl, 14.07 RW-sx
------------------------
LATEST FOREIGN KEY ERROR
------------------------
2025-05-04 09:42:13 0x7f8c5744b700 Transaction:
TRANSACTION 16547798, ACTIVE 0 sec inserting
mysql tables in use 1, locked 1
5 lock struct(s), heap size 1136, 2 row lock(s), undo log entries 1
MySQL thread id 10224306, OS thread handle 140240736270080, query id 60428340 192.168.123.15 root Update
insert into rujuk_masuk values('2025/05/04/000030','dr. H. Teguh Riyanto','-','0145U0040325P000007','0','dr. H. Teguh Riyanto','Z09.8','-','-','')
Foreign key constraint fails for table `sik`.`rujuk_masuk`:
,
  CONSTRAINT `rujuk_masuk_ibfk_2` FOREIGN KEY (`kd_penyakit`) REFERENCES `penyakit` (`kd_penyakit`) ON UPDATE CASCADE in parent table, in index kd_penyakit tuple:
DATA TUPLE: 2 fields;
 0: len 5; hex 5a30392e38; asc Z09.8;;
 1: len 17; hex 323032352f30352f30342f303030303330; asc 2025/05/04/000030;;

But in parent table `sik`.`penyakit`, in index PRIMARY,
the closest match we can find is record:
PHYSICAL RECORD: n_fields 8; compact format; info bits 0
 0: len 3; hex 5a3130; asc Z10;;
 1: len 6; hex 000000000000; asc       ;;
 2: len 7; hex 80000000000000; asc        ;;
 3: len 30; hex 526f7574696e652067656e6572616c206865616c746820636865636b2d75; asc Routine general health check-u; (total 63 bytes);
 4: len 1; hex 2d; asc -;;
 5: len 1; hex 2d; asc -;;
 6: len 1; hex 2d; asc -;;
 7: len 1; hex 02; asc  ;;

------------
TRANSACTIONS
------------
Trx id counter 16578722
Purge done for trx's n:o < 16578722 undo n:o < 0 state: running but idle
History list length 12
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 421724615681144, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615676888, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615672632, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615668376, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615664120, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615659864, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
---TRANSACTION 421724615655608, not started
0 lock struct(s), heap size 1136, 0 row lock(s)
--------
FILE I/O
--------
I/O thread 0 state: waiting for i/o request (insert buffer thread)
I/O thread 1 state: waiting for i/o request (log thread)
I/O thread 2 state: waiting for i/o request (read thread)
I/O thread 3 state: waiting for i/o request (read thread)
I/O thread 4 state: waiting for i/o request (read thread)
I/O thread 5 state: waiting for i/o request (read thread)
I/O thread 6 state: waiting for i/o request (write thread)
I/O thread 7 state: waiting for i/o request (write thread)
I/O thread 8 state: waiting for i/o request (write thread)
I/O thread 9 state: waiting for i/o request (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
68173 OS file reads, 3614129 OS file writes, 2735288 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
-------------------------------------
INSERT BUFFER AND ADAPTIVE HASH INDEX
-------------------------------------
Ibuf: size 1, free list len 20, seg size 22, 263 merges
merged operations:
 insert 700, delete mark 351, delete 0
discarded operations:
 insert 0, delete mark 0, delete 0
Hash table size 1106407, node heap has 78 buffer(s)
Hash table size 1106407, node heap has 80 buffer(s)
Hash table size 1106407, node heap has 286 buffer(s)
Hash table size 1106407, node heap has 33 buffer(s)
Hash table size 1106407, node heap has 6 buffer(s)
Hash table size 1106407, node heap has 236 buffer(s)
Hash table size 1106407, node heap has 95 buffer(s)
Hash table size 1106407, node heap has 169 buffer(s)
9.99 hash searches/s, 0.00 non-hash searches/s
---
LOG
---
Log sequence number 7019283121
Log flushed up to   7019283121
Pages flushed up to 7019283121
Last checkpoint at  7019283112
0 pending log flushes, 0 pending chkp writes
1098078 log i/o's done, 0.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 4462739456
Dictionary memory allocated 2642608
Buffer pool size   256480
Free buffers       185521
Database pages     69976
Old database pages 25668
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 347, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 67097, created 2879, written 1799863
0.00 reads/s, 0.00 creates/s, 0.00 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: 69976, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
----------------------
INDIVIDUAL BUFFER POOL INFO
----------------------
---BUFFER POOL 0
Buffer pool size   32060
Free buffers       22959
Database pages     8980
Old database pages 3294
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 63, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8677, created 303, written 388351
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8980, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 1
Buffer pool size   32060
Free buffers       23567
Database pages     8371
Old database pages 3070
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 49, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8110, created 261, written 48419
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8371, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 2
Buffer pool size   32060
Free buffers       22990
Database pages     8950
Old database pages 3283
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 49, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8558, created 392, written 163612
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8950, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 3
Buffer pool size   32060
Free buffers       23199
Database pages     8734
Old database pages 3204
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 35, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8405, created 329, written 502323
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8734, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 4
Buffer pool size   32060
Free buffers       22792
Database pages     9149
Old database pages 3357
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 29, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8794, created 355, written 298688
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 9149, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 5
Buffer pool size   32060
Free buffers       23305
Database pages     8639
Old database pages 3169
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 38, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8264, created 375, written 150291
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8639, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 6
Buffer pool size   32060
Free buffers       23588
Database pages     8341
Old database pages 3059
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 39, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 7881, created 460, written 112347
0.00 reads/s, 0.00 creates/s, 0.00 writes/s
No buffer pool page gets since the last printout
Pages read ahead 0.00/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 8341, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
---BUFFER POOL 7
Buffer pool size   32060
Free buffers       23121
Database pages     8812
Old database pages 3232
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 45, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 8408, created 404, written 135832
0.00 reads/s, 0.00 creates/s, 0.00 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: 8812, unzip_LRU len: 0
I/O sum[0]: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=1151, Main thread ID=140240771376896, state: sleeping
Number of rows inserted 245676, updated 246839, deleted 119600, read 26460659042
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 9.99 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 83944
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================