Junping Du created YARN-3212:

             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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