Stephan Ewen created FLINK-17672:
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Summary: OperatorCoordinators receive failure notifications on
task failurenstead of restarts
Key: FLINK-17672
URL: https://issues.apache.org/jira/browse/FLINK-17672
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Reporter: Stephan Ewen
Assignee: Stephan Ewen
Fix For: 1.11.0
Currently, the OperatorCoordinators receive failure notifications on task
restart. That follows the same approach as the InputSplit assigners from the
legacy sources (after which the integration of the Coordinators with the
Scheduler was modeled).
However, propagating the failure notifications during the actual failure is
more intuitive, and also improve situations where tasks fail but don't get
restarted for a while (this can happen for batch tasks when a TM dies and no
spare resources are available). In those cases, the coordinator can react much
earlier to the failure.
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