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Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org> on 2014/10/28 21:09:34 UTC

[jira] [Created] (HDFS-7302) namenode -rollingUpgrade downgrade may finalize a rolling upgrade

Tsz Wo Nicholas Sze created HDFS-7302:
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             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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