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https://issues.apache.org/jira/browse/MAPREDUCE-2142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur reassigned MAPREDUCE-2142:
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Assignee: Patrick Kling
> 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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