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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-5675) DistCp should not launch a job if it is not necessary
Date Thu, 12 Nov 2009 23:16:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-5675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12777260#action_12777260
] 

Tsz Wo (Nicholas), SZE commented on HADOOP-5675:
------------------------------------------------

Tested 5675_20090428.patch with 0.20: it applies and passed TestCopyFiles, which is the only
related test.

> DistCp should not launch a job if it is not necessary
> -----------------------------------------------------
>
>                 Key: HADOOP-5675
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5675
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>             Fix For: 0.21.0
>
>         Attachments: 5675_20090414.patch, 5675_20090421.patch, 5675_20090422.patch, 5675_20090428.patch
>
>
> Currently, DistCp launch a job even if it is not necessary.  In such case, the job does
nothing.

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