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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3212) RMNode State Transition Update with DECOMMISSIONING state
Date Wed, 18 Feb 2015 17:49:13 GMT
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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