Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

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2026-11-03 10:01:44 0x2f38 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 45 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 0 srv_active, 0 srv_shutdown, 21089 srv_idle
srv_master_thread log flush and writes: 21089
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SEMAPHORES
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TRANSACTIONS
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Trx id counter 22356
Purge done for trx's n:o < 22356 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
---TRANSACTION (0000026D1B335B40), not started
0 lock struct(s), heap size 1128, 0 row lock(s)
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FILE I/O
--------
Pending flushes (fsync): 0
797 OS file reads, 687 OS file writes, 13371 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.73 fsyncs/s
---
LOG
---
Log sequence number 16224554
Log flushed up to   16224416
Pages flushed up to 13244229
Last checkpoint at  13244229
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BUFFER POOL AND MEMORY
----------------------
Total large memory allocated 33554432
Dictionary memory allocated 197464
Buffer pool size   1014
Free buffers       827
Database pages     187
Old database pages 0
Modified db pages  161
Percent of dirty pages(LRU & free pages): 15.862
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 735, created 200, written 679
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: 187, 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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