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https://issues.apache.org/jira/browse/MAPREDUCE-434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13100834#comment-13100834
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Forest Tan commented on MAPREDUCE-434:
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Can't wait for this patch to be submitted...
> local map-reduce job limited to single reducer
> ----------------------------------------------
>
> Key: MAPREDUCE-434
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-434
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Environment: local job tracker
> Reporter: Yoram Arnon
> Assignee: Aaron Kimball
> Priority: Minor
> Attachments: MAPREDUCE-434.2.patch, MAPREDUCE-434.3.patch,
> MAPREDUCE-434.4.patch, MAPREDUCE-434.5.patch, MAPREDUCE-434.6.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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