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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-1684) Federation: Balancer cannot start with with multiple namenodes.
Date Tue, 01 Mar 2011 22:19:37 GMT
Federation: Balancer cannot start with with multiple namenodes.
---------------------------------------------------------------

                 Key: HDFS-1684
                 URL: https://issues.apache.org/jira/browse/HDFS-1684
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: balancer
    Affects Versions: Federation Branch
            Reporter: Tsz Wo (Nicholas), SZE
            Assignee: Tsz Wo (Nicholas), SZE
         Attachments: 4342723.patch

The balancer creates the file when it starts; and delete the files when it finishes.  The
default FileSystem is used for all NameNodes.  So only the first one will succeed creating
the
id file but the following will fail.

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