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rocksdb/unreleased_history/behavior_changes/parallel-compaction.md
Changyu Bi bceb2dfe6a Introduce minimum compaction debt requirement for parallel compaction (#13054) 
Summary:
a small CF can trigger parallel compaction that applies to the entire DB. This is because the bottommost file size of a small CF can be too small compared to l0 files when a l0->lbase compaction happens. We prevent this by requiring some minimum on the compaction debt.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/13054

Test Plan: updated unit test.

Reviewed By: hx235

Differential Revision: D63861042

Pulled By: cbi42

fbshipit-source-id: 43bbf327988ef0ef912cd2fc700e3d096a8d2c18
2024-10-04 15:01:54 -07:00

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Raw Blame History

  • Fix an issue in level compaction where a small CF with small compaction debt can cause the DB to allow parallel compactions. (#13054)