[jira] [Assigned] (HDFS-1727) fsck command can display command usage if user passes any illegal argument

["Uma Maheswara Rao G (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-1727?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uma Maheswara Rao G reassigned HDFS-1727:
-----------------------------------------

    Assignee:     (was: Uma Maheswara Rao G)

> fsck command can display command usage if user passes any illegal argument
> --------------------------------------------------------------------------
>
>                 Key: HDFS-1727
>                 URL: https://issues.apache.org/jira/browse/HDFS-1727
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Uma Maheswara Rao G
>            Priority: Minor
>
> In fsck command if user passes the arguments like
> ./hadoop fsck -test -files -blocks -racks
> In this case it will take / and will display whole DFS information regarding to files,blocks,racks.
> But here, we are hiding the user mistake. Instead of this, we can display the command usage if user passes any invalid argument like above.
> If user passes illegal optional arguments like
> ./hadoop fsck /test -listcorruptfileblocks instead of
> ./hadoop fsck /test -list-corruptfileblocks also we can display the proper command usage

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