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由 Connor1996 提交于
Summary: After releasing a snapshot, it checks whether it is suitable to trigger bottom compactions. When disabling auto compactions, it may still schedule compaction when releasing a snapshot. Whereas no compaction job will be actually handled, so the state of LSM is not changed and compaction will be triggered again and again every time releasing a snapshot. Too frequent compactions lead to high CPU usage and high db_mutex lock contention which affects foreground write duration finally. Pull Request resolved: https://github.com/facebook/rocksdb/pull/7267 Test Plan: - make check - manual test Reviewed By: akankshamahajan15 Differential Revision: D23252880 Pulled By: ajkr fbshipit-source-id: 4431e071a35d9912a2a3592875db27bae521434b
416943bf
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