[jira] [Created] (FLINK-8781) Try to reschedule failed tasks to previous allocation

[Shang Yuanchun (Jira)]

Stefan Richter created FLINK-8781:
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             Summary: Try to reschedule failed tasks to previous allocation
                 Key: FLINK-8781
                 URL: https://issues.apache.org/jira/browse/FLINK-8781
             Project: Flink
          Issue Type: New Feature
          Components: Scheduler
    Affects Versions: 1.5.0
            Reporter: Stefan Richter
            Assignee: Stefan Richter
             Fix For: 1.5.0


For local recovery, we need to enhance the scheduler so that it always tries to reschedule tasks to their previous location under failures. In particular, tasks that lost their allocation should not take away the previous allocations from other tasks.



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