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Posted to mapreduce-issues@hadoop.apache.org by "Sandy Ryza (JIRA)" <ji...@apache.org> on 2013/02/12 00:51:13 UTC
[jira] [Commented] (MAPREDUCE-434) local map-reduce job limited to
single reducer
[ https://issues.apache.org/jira/browse/MAPREDUCE-434?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13576227#comment-13576227 ]
Sandy Ryza commented on MAPREDUCE-434:
--------------------------------------
Uploaded a refresh patch for which TestMRKeyFieldBasedComparator passes.
> 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, 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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