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https://issues.apache.org/jira/browse/FLINK-24207?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17475155#comment-17475155
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zlzhang0122 commented on FLINK-24207:
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[~roman] ok, I will check for this, thx!!
> Add support of KeyedState in TwoPhaseCommitSinkFunction
> -------------------------------------------------------
>
> Key: FLINK-24207
> URL: https://issues.apache.org/jira/browse/FLINK-24207
> Project: Flink
> Issue Type: New Feature
> Components: API / DataStream
> Affects Versions: 1.12.2, 1.13.1
> Reporter: zlzhang0122
> Priority: Major
>
> Now, the implementation of TwoPhaseCommitSinkFunction is based on operator
> state, but operator state will do a deep copy when taking checkpoint, so
> large operator state may produce a OOM error. Add support of KeyedState in
> TwoPhaseCommitSinkFunction maybe a good choice to avoid the OOM error and
> give users more convenience.
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