Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

=====================================
2026-10-30 16:00:04 0x17cc INNODB MONITOR OUTPUT
=====================================
Per second averages calculated from the last 27 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 155400 srv_idle
srv_master_thread log flush and writes: 155400
----------
SEMAPHORES
----------
------------
TRANSACTIONS
------------
Trx id counter 94758
Purge done for trx's n:o < 94758 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION (00000263432BEB40), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
Pending flushes (fsync): 0
356462 OS file reads, 32339 OS file writes, 72808 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 1.07 fsyncs/s
---
LOG
---
Log sequence number 78585426
Log flushed up to   78585426
Pages flushed up to 78139564
Last checkpoint at  78139564
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 311064
Buffer pool size   1014
Free buffers       869
Database pages     145
Old database pages 0
Modified db pages  134
Percent of dirty pages(LRU & free pages): 13.202
Max dirty pages percent: 90.000
Pending reads 0
Pending writes: LRU 0, flush list 0
Pages made young 0, not young 0
0.00 youngs/s, 0.00 non-youngs/s
Pages read 356416, created 6858, written 30670
0.00 reads/s, 0.04 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: 145, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
--------------
ROW OPERATIONS
--------------
0 read views open inside InnoDB
state: sleeping
----------------------------
END OF INNODB MONITOR OUTPUT
============================