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Posted to yarn-issues@hadoop.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2013/05/22 00:52:20 UTC

[jira] [Created] (YARN-713) ResourceManager can exit unexpectedly if DNS is unavailable

Jason Lowe created YARN-713:
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             Summary: ResourceManager can exit unexpectedly if DNS is unavailable
                 Key: YARN-713
                 URL: https://issues.apache.org/jira/browse/YARN-713
             Project: Hadoop YARN
          Issue Type: Bug
          Components: resourcemanager
    Affects Versions: 2.0.5-beta
            Reporter: Jason Lowe
            Priority: Critical


As discussed in MAPREDUCE-5261, there's a possibility that a DNS outage could lead to an unhandled exception in the ResourceManager's AsyncDispatcher, and that ultimately would cause the RM to exit.  The RM should not exit during DNS hiccups.

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