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https://issues.apache.org/jira/browse/MAPREDUCE-4159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13256509#comment-13256509
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Devaraj K commented on MAPREDUCE-4159:
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It is not considering the value of 'mapreduce.job.ubertask.maxreduces' while
making the job uber mode decision.
> Job is running in Uber mode after setting "mapreduce.job.ubertask.maxreduces"
> to zero
> -------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-4159
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4159
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: mrv2
> Affects Versions: 2.0.0
> Reporter: Nishan Shetty
>
> 1.Configure "mapreduce.job.ubertask.enable" to true
> 2.Configure "mapreduce.job.ubertask.maxreduces" to 0(zero)
> 3.Run job such that it has one reducer(more than
> "mapreduce.job.ubertask.maxreduces" value)
> Observe that job is running in Uber mode instead of normal mode(non uber mode)
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