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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-3873) DistCp should have an option for limiting the number of files/bytes being copied
Date Wed, 13 Aug 2008 23:36:44 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3873?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris Douglas updated HADOOP-3873:
----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.19.0
     Hadoop Flags: [Reviewed]
           Status: Resolved  (was: Patch Available)

+1 looks good.

I just committed this. Thanks, Nicholas

> DistCp should have an option for limiting the number of files/bytes being copied
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-3873
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3873
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: tools/distcp
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: 0.19.0
>
>         Attachments: 3873_20080808b.patch, 3873_20080811b.patch
>
>
> A single DistCp command may potentially copies a huge number of files/bytes.  In such
case, DistCp will run a long time and there is no way stop it nicely.  It would be good if
DistCp have an option to limit the number of files/bytes being copied.  Once the limit is
reached, DistCp will terminate and return success.  All files copied are guaranteed to be
good and there is no partially copied file.

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