[jira] [Created] (YARN-3784) Indicate preemption timout along with the list of containers to AM (preemption message)

["Sunil G (JIRA)" <ji...@apache.org>]

Sunil G created YARN-3784:
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             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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