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https://issues.apache.org/jira/browse/FLINK-35441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17849142#comment-17849142
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yux commented on FLINK-35441:
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[~renqs] I'd love to take this ticket if needed.
> Add CDC upgrade compatibility tests
> -----------------------------------
>
> Key: FLINK-35441
> URL: https://issues.apache.org/jira/browse/FLINK-35441
> Project: Flink
> Issue Type: Bug
> Components: Flink CDC
> Reporter: yux
> Priority: Major
>
> Currently, there's no test cases to guarantee checkpoint state compatibility
> between different CDC versions like Flink's SerializerUpgradeTestBase.
> Adding it should help CDC users upgrading version with more confidence.
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