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Posted to issues@flink.apache.org by "yux (Jira)" <ji...@apache.org> on 2024/05/27 11:33:00 UTC

[jira] [Commented] (FLINK-35464) Flink CDC 3.1 breaks operator state compatiblity

    [ https://issues.apache.org/jira/browse/FLINK-35464?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17849704#comment-17849704 ] 

yux commented on FLINK-35464:
-----------------------------

[~Leonard] I'm willing to investigate this.

> Flink CDC 3.1 breaks operator state compatiblity
> ------------------------------------------------
>
>                 Key: FLINK-35464
>                 URL: https://issues.apache.org/jira/browse/FLINK-35464
>             Project: Flink
>          Issue Type: Bug
>          Components: Flink CDC
>    Affects Versions: cdc-3.1.0
>            Reporter: yux
>            Priority: Critical
>             Fix For: cdc-3.1.1
>
>
> Flink CDC 3.1 changed how SchemaRegistry [de]serializes state data, which causes any checkpoint states saved with earlier version could not be restored in version 3.1.0.
> This could be resolved by adding serialization versioning control logic.



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