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Posted to mapreduce-issues@hadoop.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2011/04/07 17:42:22 UTC
[jira] [Commented] (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:comment-tabpanel&focusedCommentId=13016972#comment-13016972 ]
Hudson commented on MAPREDUCE-2142:
-----------------------------------
Integrated in Hadoop-Mapreduce-trunk #643 (See [https://hudson.apache.org/hudson/job/Hadoop-Mapreduce-trunk/643/])
> 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
> Assignee: 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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