Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

=====================================
2026-11-12 12:08:40 0x38f0 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 15 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 41039 srv_active, 0 srv_shutdown, 1594495 srv_idle
srv_master_thread log flush and writes: 1635534
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 106887
OS WAIT ARRAY INFO: signal count 105521
RW-shared spins 84401, rounds 2463316, OS waits 81828
RW-excl spins 7047, rounds 23462, OS waits 254
RW-sx spins 227, rounds 2501, OS waits 54
Spin rounds per wait: 29.19 RW-shared, 3.33 RW-excl, 11.02 RW-sx
------------------------
LATEST FOREIGN KEY ERROR
------------------------
2026-11-07 16:26:25 0x3804  Cannot drop table `gajian`.`karyawan`
because it is referenced by `gajian`.`slip_gaji`
------------
TRANSACTIONS
------------
Trx id counter 249257
Purge done for trx's n:o < 249257 undo n:o < 0 state: running
History list length 2
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283879567079392, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567071056, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567112736, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567100232, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567083560, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567091896, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567087728, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567075224, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567066888, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567062720, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567058552, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567054384, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567050216, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567046048, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567041880, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567037712, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567033544, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567029376, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567025208, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567021040, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567016872, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567012704, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567008536, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567004368, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567000200, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566996032, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566987696, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566991864, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566983528, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566979360, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566975192, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879566971024, 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
177706 OS file reads, 563792 OS file writes, 396034 OS fsyncs
21.13 reads/s, 16384 avg bytes/read, 9.53 writes/s, 5.53 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 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)
17.20 hash searches/s, 45.00 non-hash searches/s
---
LOG
---
Log sequence number 114939994
Log flushed up to   114939974
Pages flushed up to 114938700
Last checkpoint at  114938498
0 pending log flushes, 0 pending chkp writes
257322 log i/o's done, 3.00 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 856368
Buffer pool size   1003
Free buffers       736
Database pages     260
Old database pages 0
Modified db pages  4
Percent of dirty pages(LRU & free pages): 0.401
Max dirty pages percent: 75.000
Pending reads 0
Pending writes: LRU 0, flush list 0, single page 0
Pages made young 425, not young 14215
0.00 youngs/s, 0.00 non-youngs/s
Pages read 177471, created 3479, written 257972
21.13 reads/s, 0.00 creates/s, 5.40 writes/s
Buffer pool hit rate 993 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 3.47/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 260, unzip_LRU len: 0
I/O sum[1596]: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=11468, Main thread ID=12996, state: sleeping
Number of rows inserted 39797, updated 34258, deleted 2343, read 185024923
0.00 inserts/s, 2.07 updates/s, 0.00 deletes/s, 5989.80 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 21080
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================