Storage engines

InnoDB

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

[ Variables | Buffer Pool | InnoDB Status ]

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2025-07-19 09:37:37 0x11f4 INNODB MONITOR OUTPUT
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Per second averages calculated from the last 6 seconds
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BACKGROUND THREAD
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srv_master_thread loops: 0 srv_active, 248598 srv_idle
srv_master_thread log flush and writes: 248598
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SEMAPHORES
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TRANSACTIONS
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Trx id counter 60994
Purge done for trx's n:o < 60994 undo n:o < 0 state: running but idle
History list length 0
LIST OF TRANSACTIONS FOR EACH SESSION:
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FILE I/O
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Pending flushes (fsync): 0
91717 OS file reads, 13824 OS file writes, 9304 OS fsyncs
0.00 reads/s, 0 avg bytes/read, 0.00 writes/s, 0.00 fsyncs/s
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LOG
---
Log sequence number 28886976
Log flushed up to   28886976
Pages flushed up to 28886976
Last checkpoint at  28886960
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BUFFER POOL AND MEMORY
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Total large memory allocated 33554432
Dictionary memory allocated 1198600
Buffer pool size   1014
Free buffers       894
Database pages     112
Old database pages 0
Modified db pages  0
Percent of dirty pages(LRU & free pages): 0.000
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 90720, created 1778, written 13395
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: 112, unzip_LRU len: 63
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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