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https://issues.apache.org/jira/browse/FLINK-12068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Till Rohrmann resolved FLINK-12068.
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Resolution: Implemented
Implemented via 58987dd16c
> Backtrack failover 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
> Labels: pull-request-available
> Fix For: 1.9.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> 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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