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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3784) Indicate preemption timout along with the list of containers to AM (preemption message)
Date Mon, 08 Jun 2015 14:47:00 GMT
Sunil G created YARN-3784:
-----------------------------

             Summary: Indicate preemption timout along with the list of containers to AM (preemption
message)
                 Key: YARN-3784
                 URL: https://issues.apache.org/jira/browse/YARN-3784
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
            Reporter: Sunil G
            Assignee: Sunil G


Currently during preemption, AM is notified with a list of containers which are marked for
preemption. Introducing a timeout duration also along with this container list so that AM
can know how much time it will get to do a graceful shutdown to its containers (assuming one
of preemption policy is loaded in AM).
This will help in decommissioning NM scenarios, where NM will be decommissioned after a timeout
(also killing containers on it). This timeout will be helpful to indicate AM that those containers
can be killed by RM forcefully after the timeout.



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