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https://issues.apache.org/jira/browse/FLINK-14119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16932523#comment-16932523
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ALEC CHEN commented on FLINK-14119:
-----------------------------------
Correct me if I'm wrong. It seems like we need to register state cleanup timer
to RetractableTopNFunction as UpdatableTopNFunction and RetractableTopNFunction
did. And I would like to be assigned to solve this issue if possible, thanks.
> Clean idle state for RetractableTopNFunction
> --------------------------------------------
>
> Key: FLINK-14119
> URL: https://issues.apache.org/jira/browse/FLINK-14119
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Reporter: Jark Wu
> Priority: Major
>
> We cleaned the idle state for AppendOnlyTopNFunction and
> UpdatableTopNFunction, but missed this thing for RetractableTopNFunction. We
> should add it to avoid unlimited state size.
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