Eron Wright created FLINK-7472:
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Summary: Release task managers gracefully
Key: FLINK-7472
URL: https://issues.apache.org/jira/browse/FLINK-7472
Project: Flink
Issue Type: Sub-task
Reporter: Eron Wright
When a task manager is no longer needed (e.g. due to idle timeout in slot
manager), the RM should gracefully stop it without spurious warnings. While
implies some actions should be taken before the TM is actually killed.
Proactive steps include stopping the heartbeat monitor and sending a disconnect
message.
It is unclear whether `RM::closeTaskManagerConnection` method should be called
proactively (when we plan to kill a TM), reactively (after the TM is killed),
or both.
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