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From "Uma Maheswara Rao G (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1727) fsck command can display command usage if user passes any illegal argument
Date Tue, 31 May 2011 15:30:47 GMT

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

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

    Status: Patch Available  (was: Open)

> 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
>    Affects Versions: 0.20.1, 0.23.0
>            Reporter: Uma Maheswara Rao G
>            Priority: Minor
>         Attachments: HDFS-1727.1.patch, HDFS-1727.patch, HDFS-1727_3.patch
>
>
> 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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