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From "Arpit Gupta (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-3094) add -nonInteractive and -force option to namenode -format command
Date Tue, 20 Mar 2012 21:15:43 GMT

    [ https://issues.apache.org/jira/browse/HDFS-3094?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13233769#comment-13233769
] 

Arpit Gupta commented on HDFS-3094:
-----------------------------------

bq. should be -nonInteractive (not a capital 'A')
done

bq. Rename getisForce to just isForce or isForceEnabled().

done

Updated tests to not use a different thread and sleep


bq. It looks like if you specify invalid options, it won't give any kind of useful error message.
You should probably be throwing HadoopIllegalArgumentException instead of returning null in
several of these cases.

Left as is, as returning null causes usage to be printed which will show the correct format.

                
> add -nonInteractive and -force option to namenode -format command
> -----------------------------------------------------------------
>
>                 Key: HDFS-3094
>                 URL: https://issues.apache.org/jira/browse/HDFS-3094
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 0.24.0, 1.0.2
>            Reporter: Arpit Gupta
>            Assignee: Arpit Gupta
>         Attachments: HDFS-3094.branch-1.0.patch, HDFS-3094.branch-1.0.patch, HDFS-3094.branch-1.0.patch,
HDFS-3094.branch-1.0.patch, HDFS-3094.branch-1.0.patch, HDFS-3094.branch-1.0.patch, HDFS-3094.patch,
HDFS-3094.patch, HDFS-3094.patch, HDFS-3094.patch
>
>
> Currently the bin/hadoop namenode -format prompts the user for a Y/N to setup the directories
in the local file system.
> -force : namenode formats the directories without prompting
> -nonInterActive : namenode format will return with an exit code of 1 if the dir exists.

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