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Posted to common-dev@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2008/10/03 16:32:44 UTC

[jira] Commented: (HADOOP-3873) DistCp should have an option for limiting the number of files/bytes being copied

    [ https://issues.apache.org/jira/browse/HADOOP-3873?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12636647#action_12636647 ] 

Hudson commented on HADOOP-3873:
--------------------------------

Integrated in Hadoop-trunk #622 (See [http://hudson.zones.apache.org/hudson/job/Hadoop-trunk/622/])
    

> 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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