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Posted to mapreduce-issues@hadoop.apache.org by "Rodrigo Schmidt (JIRA)" <ji...@apache.org> on 2010/07/21 02:52:50 UTC

[jira] Commented: (MAPREDUCE-1670) RAID should avoid policies that scan their own destination path

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12890516#action_12890516 ] 

Rodrigo Schmidt commented on MAPREDUCE-1670:
--------------------------------------------

I'm faster than Hudson.

+1. Patch and unit test look good.

> RAID should avoid policies that scan their own destination path
> ---------------------------------------------------------------
>
>                 Key: MAPREDUCE-1670
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1670
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: contrib/raid
>    Affects Versions: 0.22.0
>            Reporter: Rodrigo Schmidt
>            Assignee: Ramkumar Vadali
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1670.patch
>
>
> Raid currently allows policies that include the destination directory into the source directory and vice-versa.
> Both situations can create cycles and should be avoided.

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