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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-426) Failure to download a public resource on a node prevents further downloads of the resource from that node
Date Mon, 25 Feb 2013 20:08:13 GMT
Jason Lowe created YARN-426:
-------------------------------

             Summary: Failure to download a public resource on a node prevents further downloads
of the resource from that node
                 Key: YARN-426
                 URL: https://issues.apache.org/jira/browse/YARN-426
             Project: Hadoop YARN
          Issue Type: Bug
          Components: nodemanager
    Affects Versions: 0.23.6, 2.0.3-alpha
            Reporter: Jason Lowe
            Assignee: Jason Lowe
            Priority: Critical


If the NM encounters an error while downloading a public resource, it fails to empty the list
of request events corresponding to the resource request in {{attempts}}.  If the same public
resource is subsequently requested on that node, {{PublicLocalizer.addResource}} will skip
the download since it will mistakenly believe a download of that resource is already in progress.
 At that point any container that requests the public resource will just hang in the {{LOCALIZING}}
state.

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