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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4401) A failed app recovery should not prevent the RM from starting
Date Mon, 30 Nov 2015 21:59:11 GMT
Daniel Templeton created YARN-4401:
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             Summary: A failed app recovery should not prevent the RM from starting
                 Key: YARN-4401
                 URL: https://issues.apache.org/jira/browse/YARN-4401
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: resourcemanager
    Affects Versions: 2.7.1
            Reporter: Daniel Templeton
            Assignee: Daniel Templeton
            Priority: Critical


There are many different reasons why an app recovery could fail with an exception, causing
the RM start to be aborted.  If that happens the RM will fail to start.  Presumably, the reason
the RM is trying to do a recovery is that it's the standby trying to fill in for the active.
 Failing to come up defeats the purpose of the HA configuration.  Instead of preventing the
RM from starting, a failed app recovery should log an error and skip the application.



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