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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2487) ChainReducer uses MAPPER_BY_VALUE instead of REDUCER_BY_VALUE
Date Tue, 07 Jun 2011 01:18:59 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045231#comment-13045231
] 

Hudson commented on MAPREDUCE-2487:
-----------------------------------

Integrated in Hadoop-Mapreduce-22-branch #58 (See [https://builds.apache.org/job/Hadoop-Mapreduce-22-branch/58/])
    MAPREDUCE-2487. Amend previous commit with the new test case (forgot to svn add)
MAPREDUCE-2487. ChainReducer uses MAPPER_BY_VALUE instead of REDUCER_BY_VALUE. Contributed
by Devaraj K.

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1132721
Files : 
* /hadoop/mapreduce/branches/branch-0.22/src/test/mapred/org/apache/hadoop/mapred/lib/TestChain.java

todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1132720
Files : 
* /hadoop/mapreduce/branches/branch-0.22/CHANGES.txt
* /hadoop/mapreduce/branches/branch-0.22/src/java/org/apache/hadoop/mapred/lib/Chain.java


> ChainReducer uses MAPPER_BY_VALUE instead of REDUCER_BY_VALUE
> -------------------------------------------------------------
>
>                 Key: MAPREDUCE-2487
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2487
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Forrest Vines
>            Assignee: Devaraj K
>            Priority: Minor
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-2487.patch
>
>
> On line 293 of o.a.h.mapred.lib.Chain in setReducer(...):
> reducerConf.setBoolean(MAPPER_BY_VALUE, byValue);
> this should be REDUCER_BY_VALUE.
> http://grepcode.com/file/repository.cloudera.com/content/repositories/releases/com.cloudera.hadoop/hadoop-core/0.20.2-737/org/apache/hadoop/mapred/lib/Chain.java#293

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