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Posted to dev@bigtop.apache.org by "Konstantin Boudnik (JIRA)" <ji...@apache.org> on 2013/03/07 19:38:13 UTC

[jira] [Comment Edited] (BIGTOP-852) Improve HDFS helper script

    [ https://issues.apache.org/jira/browse/BIGTOP-852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13596164#comment-13596164 ] 

Konstantin Boudnik edited comment on BIGTOP-852 at 3/7/13 6:37 PM:
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bq. we may want to use some language (groovy wouldn't be my first choice ) 
I think the question here is performance: shell is as good language as Python. But non of them can work with Java APIs of the Hadoop. Hence, the choice.
                
      was (Author: cos):
    bq. we may want to use some language (groovy wouldn't be my first choice ) 
I think the question here is performance: shell is as good language is Python. But non of them can work with Java APIs of the Hadoop. Hence, the choice.
                  
> Improve HDFS helper script
> --------------------------
>
>                 Key: BIGTOP-852
>                 URL: https://issues.apache.org/jira/browse/BIGTOP-852
>             Project: Bigtop
>          Issue Type: Sub-task
>          Components: Deployment
>    Affects Versions: 0.6.0
>            Reporter: Mark Grover
>             Fix For: 0.6.0
>
>
> There are a few things that can be improved regarding the HDFS helper script introduced by BIGTOP-547. Some of these issues have been discussed in BIGTOP-637.
> 1. The script seems to create user directories for users "root" and "jenkins" but not the current user running the script. I think it will be a good idea to add in the script the commands to create the /user/$USER directory in HDFS. Of course, we should be careful in case the user running the command is root or jenkins, in that case a simple mkdir command would throw error given that those directories already exist.
> 2. The script uses sudo which requires login shell. However, login shells are not available for certain use cases like init scripts. Consequently, we should consider using su instead.
> 3. Look into how the helper script can be made faster
> Folks, please feel free to add/edit if there is something I missed.

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