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https://issues.apache.org/jira/browse/FLINK-10121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16849087#comment-16849087
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aitozi commented on FLINK-10121:
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Hi,[~srichter] Is this still ongoing work ? I think it's a valuable feature, If
it has not been started, I want to look into this.
> Introduce methods to remove registered operator states
> ------------------------------------------------------
>
> Key: FLINK-10121
> URL: https://issues.apache.org/jira/browse/FLINK-10121
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: Stefan Richter
> Assignee: Stefan Richter
> Priority: Major
>
> User can register new operator states but never remove a registered state.
> This is particularly problematic with expensive states or states that we
> register only to provide backwards compatibility. We can also consider the
> same for keyed state.
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