[jira] [Assigned] (FLINK-26968) Bump CopyOnWriteStateMap entry version before write

["Roman Khachatryan (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-26968?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Roman Khachatryan reassigned FLINK-26968:
-----------------------------------------

    Assignee: Roman Khachatryan

> Bump CopyOnWriteStateMap entry version before write
> ---------------------------------------------------
>
>                 Key: FLINK-26968
>                 URL: https://issues.apache.org/jira/browse/FLINK-26968
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Runtime / State Backends
>            Reporter: Roman Khachatryan
>            Assignee: Roman Khachatryan
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.16.0
>
>
> CopyOnWriteStateMap copies the entry before returning it to the client
> for update. This also updates its state and entry versions.
> However, if the entry is NOT used by any snapshots, the versions
> will stay the same despite that state is going to be updated.
> With incremental checkpoints, this causes such updated version to
> be ignored in the next snapshot.



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