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Date: Mon, 25 Feb 2013 20:08:13 +0000 (UTC)
From: "Jason Lowe (JIRA)" <jira@apache.org>
To: yarn-dev@hadoop.apache.org
Message-ID: <JIRA.12633985.1361822869034.335840.1361822893362@arcas>
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Subject: [jira] [Created] (YARN-426) Failure to download a public resource
 on a node prevents further downloads of the resource from that node
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Jason Lowe created YARN-426:
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             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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