Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

=====================================
2026-11-12 11:57:40 0x3d28 INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 6 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 40489 srv_active, 0 srv_shutdown, 1594392 srv_idle
srv_master_thread log flush and writes: 1634881
----------
SEMAPHORES
----------
OS WAIT ARRAY INFO: reservation count 106696
OS WAIT ARRAY INFO: signal count 105330
RW-shared spins 84288, rounds 2459971, OS waits 81718
RW-excl spins 7038, rounds 23192, OS waits 245
RW-sx spins 227, rounds 2501, OS waits 54
Spin rounds per wait: 29.19 RW-shared, 3.30 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 243923
Purge done for trx's n:o < 243923 undo n:o < 0 state: running but idle
History list length 9
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION 283879567100232, not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION 283879567096064, 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 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 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
169225 OS file reads, 551420 OS file writes, 389780 OS fsyncs
34.99 reads/s, 16384 avg bytes/read, 24.83 writes/s, 11.66 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 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)
21.66 hash searches/s, 53.16 non-hash searches/s
---
LOG
---
Log sequence number 111792468
Log flushed up to   111792448
Pages flushed up to 111782888
Last checkpoint at  111769113
0 pending log flushes, 0 pending chkp writes
253734 log i/o's done, 5.83 log i/o's/second
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 856368
Buffer pool size   1003
Free buffers       746
Database pages     250
Old database pages 0
Modified db pages  17
Percent of dirty pages(LRU & free pages): 1.705
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 168990, created 3340, written 250335
34.99 reads/s, 0.00 creates/s, 16.50 writes/s
Buffer pool hit rate 946 / 1000, young-making rate 0 / 1000 not 0 / 1000
Pages read ahead 5.33/s, evicted without access 0.00/s, Random read ahead 0.00/s
LRU len: 250, unzip_LRU len: 0
I/O sum[1316]:cur[19], 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 39754, updated 31634, deleted 2343, read 183538472
0.17 inserts/s, 4.33 updates/s, 0.00 deletes/s, 3614.90 reads/s
Number of system rows inserted 0, updated 0, deleted 0, read 16762
0.00 inserts/s, 0.00 updates/s, 0.00 deletes/s, 0.00 reads/s
----------------------------
END OF INNODB MONITOR OUTPUT
============================