Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

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2026-11-15 04:07:04 0x1948 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 13 seconds
-----------------
BACKGROUND THREAD
-----------------
srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 1016265 srv_idle
srv_master_thread log flush and writes: 1016265
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SEMAPHORES
----------
------------
TRANSACTIONS
------------
Trx id counter 116881
Purge done for trx's n:o < 116879 undo n:o < 0 state: running
History list length 1
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION (000001B0DE924A40), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE923FC0), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE923540), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE922040), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE9215C0), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE920B40), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
---TRANSACTION (000001B0DE922AC0), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
--------
FILE I/O
--------
Pending flushes (fsync): 0
574400 OS file reads, 194758 OS file writes, 79704 OS fsyncs
0.23 reads/s, 16384 avg bytes/read, 0.00 writes/s, 1.54 fsyncs/s
---
LOG
---
Log sequence number 75900628
Log flushed up to   75900628
Pages flushed up to 75763093
Last checkpoint at  75763093
----------------------
BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 297432
Buffer pool size   1014
Free buffers       766
Database pages     248
Old database pages 0
Modified db pages  107
Percent of dirty pages(LRU & free pages): 10.542
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 574255, created 34934, written 191440
0.23 reads/s, 0.00 creates/s, 0.00 writes/s
Buffer pool hit rate 999 / 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: 248, unzip_LRU len: 0
I/O sum[21]:cur[3], unzip sum[0]:cur[0]
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ROW OPERATIONS
--------------
0 read views open inside InnoDB
state: sleeping
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END OF INNODB MONITOR OUTPUT
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