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Posted to mapreduce-dev@hadoop.apache.org by "dhruba borthakur (JIRA)" <ji...@apache.org> on 2010/11/08 09:51:15 UTC

[jira] Resolved: (MAPREDUCE-2142) Refactor RaidNode to remove dependence on map reduce

     [ https://issues.apache.org/jira/browse/MAPREDUCE-2142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur resolved MAPREDUCE-2142.
-----------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.22.0
     Hadoop Flags: [Reviewed]

I just committed it. Thanks Patrick. Please update the wiki too.

> Refactor RaidNode to remove dependence on map reduce
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-2142
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2142
>             Project: Hadoop Map/Reduce
>          Issue Type: Task
>            Reporter: Patrick Kling
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-2142.2.patch, MAPREDUCE-2142.3.patch, MAPREDUCE-2142.patch
>
>
> I am refactoring the RaidNode code as follows: The base class RaidNode will contain the common functionality needed for raiding files. The derived class LocalRaidNode contains an implementation of RaidNode that performs raiding locally. The derived class DistRaidNode performs raiding using map reduce jobs. This way, only DistRaidNode has a dependency on map reduce code and RaidNode and LocalRaidNode can be moved to HDFS.

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