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Date: Tue, 6 Aug 2013 07:04:50 +0000 (UTC)
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Subject: [jira] [Commented] (MAPREDUCE-434) LocalJobRunner limited to single
 reducer
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13730456#comment-13730456 ] 

Hudson commented on MAPREDUCE-434:
----------------------------------

SUCCESS: Integrated in Hadoop-trunk-Commit #4219 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/4219/])
MAPREDUCE-434. LocalJobRunner limited to single reducer (Sandy Ryza and Aaron Kimball via Sandy Ryza) (sandy: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1510866)
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-common/src/main/java/org/apache/hadoop/mapred/LocalJobRunner.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/MapTask.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Merger.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/ReduceTask.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/ShuffleConsumerPlugin.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Fetcher.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/LocalFetcher.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/task/reduce/Shuffle.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/TestShufflePlugin.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TestJobCounters.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/lib/TestKeyFieldBasedComparator.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TestLocalRunner.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/lib/partition/TestMRKeyFieldBasedComparator.java

                
> LocalJobRunner limited to single reducer
> ----------------------------------------
>
>                 Key: MAPREDUCE-434
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-434
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>         Environment: local job tracker
>            Reporter: Yoram Arnon
>            Assignee: Aaron Kimball
>            Priority: Minor
>             Fix For: 2.3.0
>
>         Attachments: MAPREDUCE-434.2.patch, MAPREDUCE-434.3.patch, MAPREDUCE-434.4.patch, MAPREDUCE-434.5.patch, MAPREDUCE-434.6.patch, MAPREDUCE-434.patch, MAPREDUCE-434.patch, MAPREDUCE-434.patch, MAPREDUCE-434.patch, MAPREDUCE-434.patch, MAPREDUCE-434.patch
>
>
> when mapred.job.tracker is set to 'local', my setNumReduceTasks call is ignored, and the number of reduce tasks is set at 1.
> This prevents me from locally debugging my partition function, which tries to partition based on the number of reduce tasks.

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