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Posted to issues@flink.apache.org by "aitozi (JIRA)" <ji...@apache.org> on 2019/05/27 17:01:00 UTC

[jira] [Commented] (FLINK-10121) Introduce methods to remove registered operator states

    [ https://issues.apache.org/jira/browse/FLINK-10121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16849087#comment-16849087 ] 

aitozi commented on FLINK-10121:
--------------------------------

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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