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Posted to issues@flink.apache.org by "Gary Yao (Jira)" <ji...@apache.org> on 2020/02/06 15:39:00 UTC

[jira] [Updated] (FLINK-15938) Idle state not cleaned in StreamingJoinOperator and StreamingSemiAntiJoinOperator

     [ https://issues.apache.org/jira/browse/FLINK-15938?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary Yao updated FLINK-15938:
-----------------------------
    Affects Version/s:     (was: 1.10.0)

> Idle state not cleaned in StreamingJoinOperator and StreamingSemiAntiJoinOperator
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-15938
>                 URL: https://issues.apache.org/jira/browse/FLINK-15938
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table SQL / Planner
>    Affects Versions: 1.9.2
>            Reporter: Benchao Li
>            Priority: Critical
>
> {code:java}
> return StateTtlConfig
>    .newBuilder(Time.milliseconds(retentionTime))
>    .setUpdateType(StateTtlConfig.UpdateType.OnCreateAndWrite)
>    .setStateVisibility(StateTtlConfig.StateVisibility.ReturnExpiredIfNotCleanedUp)
>    .build();
> {code}
> StateTtl is constructed in above code for `StreamingJoinOperator` and `StreamingSemiAntiJoinOperator`.
> However, as stated in [https://ci.apache.org/projects/flink/flink-docs-master/dev/stream/state/state.html#cleanup-of-expired-state] , the state will be cleaned only when it's read which means the state will not be cleaned enless we read it.



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