Till Rohrmann created FLINK-12068:
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Summary: 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
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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