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rocksdb/unreleased_history/performance_improvements/compaction-io-mutex.md
Changyu Bi c064ac3bc5 Avoid opening table files and reading table properties under mutex (#12879) 
Summary:
InitInputTableProperties() can open and do IOs and is called under mutex_. This PR removes it from FinalizeInputInfo(). It is now called in CompactionJob::Run() and BuildCompactionJobInfo() (called in NotifyOnCompactionBegin()) without holding mutex_.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/12879

Test Plan: existing unit tests. Added assert in GetInputTableProperties() to ensure that input_table_properties_ is initialized whenever it's called.

Reviewed By: hx235

Differential Revision: D59933195

Pulled By: cbi42

fbshipit-source-id: c8089e13af8567fa3ab4b94d9ec384ae98ab2ec8
2024-07-19 19:12:45 -07:00

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Raw Blame History

  • Fix an issue where compactions were opening table files and reading table properties while holding db mutex_.