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https://issues.apache.org/jira/browse/FLINK-12068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16819761#comment-16819761
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Zhu Zhu commented on FLINK-12068:
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Per discussion with [~Zentol], I will work on the implementation and Chesnay
will help to review it.
> Backtrack fail over regions if intermediate results are unavailable
> -------------------------------------------------------------------
>
> Key: FLINK-12068
> URL: https://issues.apache.org/jira/browse/FLINK-12068
> Project: Flink
> Issue Type: Sub-task
> Components: Runtime / Coordination
> Reporter: Till Rohrmann
> Assignee: Zhu Zhu
> Priority: Major
>
> The batch failover strategy needs to be able to backtrack fail over regions
> if an intermediate result is unavailable. Either by explicitly checking
> whether the intermediate result partition is available or via a special
> exception indicating that a result partition is no longer available.
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