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Posted to common-dev@hadoop.apache.org by "Ravi Gummadi (JIRA)" <ji...@apache.org> on 2009/06/19 10:53:07 UTC

[jira] Assigned: (HADOOP-6051) distcp does not skip copying file if we are updating single file

     [ https://issues.apache.org/jira/browse/HADOOP-6051?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravi Gummadi reassigned HADOOP-6051:
------------------------------------

    Assignee: Ravi Gummadi

> distcp does not skip copying file if we are updating single file
> ----------------------------------------------------------------
>
>                 Key: HADOOP-6051
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6051
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: tools/distcp
>    Affects Versions: 0.21.0
>            Reporter: Ravi Gummadi
>            Assignee: Ravi Gummadi
>             Fix For: 0.21.0
>
>
> distcp doesn't skip copying file when we do -update on single file if the destfile already exists.
> When we do 
> hadoop distcp -update srcfilename destfilename
> it seems to be comparing checksums of srcfilename and destfilename/srcfilename and so skip is not done. It should compare checksums of srcfilename and destfilename.

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