Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

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2026-11-06 01:08:49 0x39a4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 26 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 57339 srv_idle
srv_master_thread log flush and writes: 57339
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SEMAPHORES
----------
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TRANSACTIONS
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Trx id counter 3597
Purge done for trx's n:o < 3597 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION (0000028B42E19B40), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
Pending flushes (fsync): 0
587 OS file reads, 143 OS file writes, 3317 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.27 fsyncs/s
---
LOG
---
Log sequence number 2786682
Log flushed up to   2786682
Pages flushed up to 305442
Last checkpoint at  305442
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 188376
Buffer pool size   1014
Free buffers       784
Database pages     230
Old database pages 0
Modified db pages  189
Percent of dirty pages(LRU & free pages): 18.621
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 541, created 173, written 142
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: 230, unzip_LRU len: 0
I/O sum[0]:cur[0], unzip sum[0]:cur[0]
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ROW OPERATIONS
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0 read views open inside InnoDB
state: sleeping
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END OF INNODB MONITOR OUTPUT
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