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https://issues.apache.org/jira/browse/FLINK-4731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15554520#comment-15554520
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ASF GitHub Bot commented on FLINK-4731:
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Github user uce commented on the issue:
https://github.com/apache/flink/pull/2584
Thanks! Looks good to merge. Just had one follow up comment before doing so.
> HeapKeyedStateBackend restoring broken for scale-in
> ---------------------------------------------------
>
> Key: FLINK-4731
> URL: https://issues.apache.org/jira/browse/FLINK-4731
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Stefan Richter
> Assignee: Stefan Richter
>
> Restoring the HeapKeyedStateBackend is broken in case that parallelism is
> reduced. The restore method is overwriting previously restored state.
> We should also add scale-in testing to the RescalingITCase.
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