[jira] [Created] (HDFS-6003) Add '-rollingUpgrade ' to namenode usage message

[Vinayakumar B (JIRA)]

Vinayakumar B created HDFS-6003:
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             Summary: Add '-rollingUpgrade <rollback|downgrade>' to namenode 
usage message
                 Key: HDFS-6003
                 URL: https://issues.apache.org/jira/browse/HDFS-6003
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: namenode
            Reporter: Vinayakumar B
            Assignee: Vinayakumar B
            Priority: Minor


Add '-rollingUpgrade <rollback|downgrade>' to namenode usage message



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