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From "Vinod Kumar Vavilapalli (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3145) HOD command should allow to allow to specify a hadoop command in the command line
Date Tue, 08 Apr 2008 05:11:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12586650#action_12586650
] 

Vinod Kumar Vavilapalli commented on HADOOP-3145:
-------------------------------------------------

   - Interface: The second interface ( hod cmd -d cluster-dir -n nodes --hod.cmd "hadoop jar
hadoop-examples.jar wordcount input output" ) looks clearer, piggybacking it into script sub-command
doesn't look natural(to me atleast).
   - Hadoop Home: +1 for the suggestion to pick it from path if relative, and use it directly
if it is an absolute path. Even while using a simple allocate command, user has to untar his/her
tarball and set the path accordingly to run hadoop commands, so this is inline with regular
usage.
   - Putting the command in quotes is the way it used to be hod 0.3(internal version) : hod
-m 3 -a 'run jar ...' . So this should be ok, just that users have to realise it will be passed,
as is, to the shell without any interpretation by HOD. Double quotes are more useful(than
single quotes) as shell can expand any parameters present.

> HOD command should allow to allow to specify a hadoop command in the command line
> ---------------------------------------------------------------------------------
>
>                 Key: HADOOP-3145
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3145
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: contrib/hod
>    Affects Versions: 0.16.0
>            Reporter: Arkady Borkovsky
>            Assignee: Vinod Kumar Vavilapalli
>             Fix For: 0.16.3
>
>
> The current version allows only to specify a "script".
> So if one needs to generate a single command, one has to create a file for this, which
very inconvenient -- generating temp file name, printing, deleting the file.
> It also incompatible with hod 0.3

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