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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-3811) NM restarts could lead to app failures
Date Tue, 16 Jun 2015 22:50:00 GMT
Karthik Kambatla created YARN-3811:
--------------------------------------

             Summary: NM restarts could lead to app failures
                 Key: YARN-3811
                 URL: https://issues.apache.org/jira/browse/YARN-3811
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 2.7.0
            Reporter: Karthik Kambatla
            Assignee: Karthik Kambatla
            Priority: Critical


Consider the following scenario:
1. RM assigns a container on node N to an app A.
2. Node N is restarted
3. A tries to launch container on node N.

3 could lead to an NMNotYetReadyException depending on whether NM N has registered with the
RM. In MR, this is considered a task attempt failure. A few of these could lead to a task/job
failure.



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