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https://issues.apache.org/jira/browse/FLINK-32955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17855415#comment-17855415
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xiangyu feng commented on FLINK-32955:
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Hi [~lijinzhong] , this issue hasn't been updated for a long time. I would like
to work on this if it is ok for you.
> Support state compatibility between enabling TTL and disabling TTL
> ------------------------------------------------------------------
>
> Key: FLINK-32955
> URL: https://issues.apache.org/jira/browse/FLINK-32955
> Project: Flink
> Issue Type: Improvement
> Components: Runtime / State Backends
> Reporter: Jinzhong Li
> Assignee: Jinzhong Li
> Priority: Major
>
> Currently, trying to restore state, which was previously configured without
> TTL, using TTL enabled descriptor or vice versa will lead to compatibility
> failure and StateMigrationException.
> In some scenario, user may enable state ttl and restore from old state which
> was previously configured without TTL; or vice versa.
> It would be useful for users if we support state compatibility between
> enabling TTL and disabling TTL.
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