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From "Raghu Angadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-3052) distch -- tool to do parallel ch*
Date Fri, 28 Mar 2008 18:42:24 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-3052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583134#action_12583134
] 

Raghu Angadi commented on HADOOP-3052:
--------------------------------------

> is this really something that we need to optimize?
The main use case considered is when a big cluster is upgraded to 0.16.

I hope this is more of a one time utility rather than real supported tool like distcp.


> distch -- tool to do parallel ch* 
> ----------------------------------
>
>                 Key: HADOOP-3052
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3052
>             Project: Hadoop Core
>          Issue Type: Task
>          Components: dfs
>    Affects Versions: 0.16.1
>            Reporter: Robert Chansler
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.17.0
>
>
> Build a tool to do parallel ch{mod,grp,own} on files.
> This would have the advantage over the shell -R commands in that name nodes syncs from
multiple clients are effectively batched.

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