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From "Tsz Wo Nicholas Sze (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7302) namenode -rollingUpgrade downgrade may finalize a rolling upgrade
Date Tue, 28 Oct 2014 20:09:34 GMT
Tsz Wo Nicholas Sze created HDFS-7302:
-----------------------------------------

             Summary: namenode -rollingUpgrade downgrade may finalize a rolling upgrade
                 Key: HDFS-7302
                 URL: https://issues.apache.org/jira/browse/HDFS-7302
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: namenode
            Reporter: Tsz Wo Nicholas Sze
            Assignee: Tsz Wo Nicholas Sze


The namenode startup option "-rollingUpgrade downgrade" is originally designed for downgrading
cluster.  However, running "namenode -rollingUpgrade downgrade" with the new software could
result in finalizing the ongoing rolling upgrade.



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