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Type:
New Feature
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Resolution: Fixed
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Priority:
Major - P3
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Affects Version/s: None
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Component/s: Compaction
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None
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8
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StorEng - 2023-08-08
The background compaction server works as shown below:
- Find the next table to compact.
- This can be done using a cursor on the metadata file and processing the files in order
- If compaction should be executed on the selected table, compact it.
- For now, this means calling the session API compact on the selected table. This will be improved with
WT-11343.
- For now, this means calling the session API compact on the selected table. This will be improved with
- Go back to the first step.
Tasks:
- Create the internal thread behind the background compaction server
- Implement the background compaction algorithm
- Add the relevant statistics
Definition of done:
- The background compaction server tries to compact the database files continuously when enabled
- The background compaction server starts/stops as soon as it is requested by the application
- The relevant statistics and logs are generated
- causes
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WT-11640 Remove unused variable signalled in conn_compact.c
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- Closed
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- depends on
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- Closed
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- is depended on by
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SERVER-80122 Add background compaction server's activity to serverStatus
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- Closed
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- Closed
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WT-11343 Improve how the background compaction server decides when a table should be compacted
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- Closed
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- tested by
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- Closed
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