Kurt Young created FLINK-4807:
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Summary: ResourceManager clean up JobManager's registration
Key: FLINK-4807
URL: https://issues.apache.org/jira/browse/FLINK-4807
Project: Flink
Issue Type: Sub-task
Reporter: Kurt Young
When RM received a JM's registration, it will record it either with some
leaderid or leadership listener. We should make sure the finished / failed JM
can properly unregister itself with RM.
We can make it happen by doing these two things:
1. If JM finds out job reaches a terminate state(either success or fail), it
should send an unregistration request to RM.
2. If (1) does not happen for various reasons, RM can rely on the heartbeat
manager to find out timeout JM and clear it up.
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