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https://issues.apache.org/jira/browse/PIG-3365?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027870#comment-14027870
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Rohini Palaniswamy commented on PIG-3365:
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opt.ubertask.hint sounds good. Can you just make it pig.opt.ubertask.hint? It
is bad that other opt. start without the pig prefix and makes it difficult to
just search for all pig configuration by searching for just "pig.".
> Run as uber job if there is only one input split
> ------------------------------------------------
>
> Key: PIG-3365
> URL: https://issues.apache.org/jira/browse/PIG-3365
> Project: Pig
> Issue Type: Improvement
> Reporter: Rohini Palaniswamy
> Assignee: Lorand Bendig
> Labels: Performance
>
> Hadoop 2 has support for uber mode (mapreduce.job.ubertask.enable=true) which
> runs the map and reduce on Application Master itself and reduces the overhead
> of launching a separate map/reduce task.
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