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https://issues.apache.org/jira/browse/FLINK-30457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hangxiang Yu resolved FLINK-30457.
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Resolution: Fixed
> Introduce period compaction to FRocksDB
> ---------------------------------------
>
> Key: FLINK-30457
> URL: https://issues.apache.org/jira/browse/FLINK-30457
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: Yun Tang
> Assignee: Yun Tang
> Priority: Major
> Fix For: 1.18.0
>
>
> RocksDB supports period compaction once compaction filter is enabled (see
> https://github.com/facebook/rocksdb/wiki/Leveled-Compaction#periodic-compaction),
> which is really useful for Flink TTL feature to pick really old files in
> compaction.
> Current FRocksDB base version: 6.20.3 has included the necessary code on the
> C++ side: https://github.com/facebook/rocksdb/pull/5166 and
> https://github.com/facebook/rocksdb/pull/5184. We just need to cherry pick
> the https://github.com/facebook/rocksdb/pull/8579 on the java side to support
> it in Flink.
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