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Posted to issues@flink.apache.org by "Yanfei Lei (Jira)" <ji...@apache.org> on 2022/08/25 03:43:00 UTC

[jira] [Commented] (FLINK-29095) logging state file deletion

    [ https://issues.apache.org/jira/browse/FLINK-29095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17584579#comment-17584579 ] 

Yanfei Lei commented on FLINK-29095:
------------------------------------

[~jingge]  There is already a [trace log|https://github.com/apache/flink/blob/master/flink-runtime/src/main/java/org/apache/flink/runtime/state/IncrementalRemoteKeyedStateHandle.java#L252] when deleting {{{}IncrementalRemoteKeyedStateHandle，{}}}I think we can use this trace log to debug.

> logging state file deletion
> ---------------------------
>
>                 Key: FLINK-29095
>                 URL: https://issues.apache.org/jira/browse/FLINK-29095
>             Project: Flink
>          Issue Type: New Feature
>          Components: Runtime / State Backends
>    Affects Versions: 1.16.0
>            Reporter: Jing Ge
>            Assignee: Roman Khachatryan
>            Priority: Critical
>
> with the incremental checkpoint, conceptually, state files that are never used by any checkpoint will be deleted/GC . In practices, state files might be deleted when they are still somehow required by the failover which will lead to Flink job fails.
> We should add the log for trouble shooting.  



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