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https://issues.apache.org/jira/browse/HDFS-13861?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16591880#comment-16591880
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Íñigo Goiri commented on HDFS-13861:
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Can we make it consistent to {{DFSAdmin}}?
switch/case is fine, but I think it's better to do the same in both places.
> RBF: Illegal Router Admin Command Leads to Printing Usage For All Commands
> ---------------------------------------------------------------------------
>
> Key: HDFS-13861
> URL: https://issues.apache.org/jira/browse/HDFS-13861
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Attachments: HDFS-13861-01.patch
>
>
> When an illegal argument is passed for any router admin command it prints
> usage for all the admin command it should be specific to the command used and
> print the usage only for that command.
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