Junping Du created YARN-3212:
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Summary: RMNode State Transition Update with DECOMMISSIONING state
Key: YARN-3212
URL: https://issues.apache.org/jira/browse/YARN-3212
Project: Hadoop YARN
Issue Type: Sub-task
Components: resourcemanager
Reporter: Junping Du
Assignee: Junping Du
As proposed in YARN-914, a new state of “DECOMMISSIONING” will be added and can
transition from “running” state triggered by a new event - “decommissioning”.
This new state can be transit to state of “decommissioned” when Resource_Update
if no running apps on this NM or NM reconnect after restart. Or it received
DECOMMISSIONED event (after timeout from CLI).
In addition, it can back to “running” if user decides to cancel previous
decommission by calling recommission on the same node. The reaction to other
events is similar to RUNNING state.
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