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[jira] [Created] (FLINK-9456) Let ResourceManager notify JobManager about failed/killed TaskManagers


Till Rohrmann created FLINK-9456:
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             Summary: Let ResourceManager notify JobManager about failed/killed TaskManagers
                 Key: FLINK-9456
                 URL: https://issues.apache.org/jira/browse/FLINK-9456
             Project: Flink
          Issue Type: Improvement
          Components: Distributed Coordination
    Affects Versions: 1.5.0
            Reporter: Till Rohrmann
             Fix For: 1.6.0, 1.5.1


Often, the {{ResourceManager}} learns faster about TaskManager failures/killings because it directly communicates with the underlying resource management framework. Instead of only relying on the {{JobManager}}'s heartbeat to figure out that a {{TaskManager}} has died, we should additionally send a signal from the {{ResourceManager}} to the {{JobManager}} if a {{TaskManager}} has died. That way, we can react faster to {{TaskManager}} failures and recover our running job/s.



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