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From "Patrick Kling (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-2142) Refactor RaidNode to remove dependence on map reduce
Date Tue, 19 Oct 2010 05:30:28 GMT
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


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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