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https://issues.apache.org/jira/browse/MAPREDUCE-1849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877277#action_12877277
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Ted Dunning commented on MAPREDUCE-1849:
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Another sweet trick for this would be to allow multiple modes of execution that 
are all efficiently implemented.  These should include local threaded, 
non-redundant distributed map-reduce (a la Twister) and full-on Hadoop.  That 
gives highest speed for small jobs, medium speed for medium jobs at the cost of 
task failure = job resubmit and full scalability and reliability for the 
largest jobs.

Right now, anything but full scale hadoop execution is the red-headed child and 
gets no love.



> Implement a FlumeJava-like library for operations over parallel collections 
> using Hadoop MapReduce
> --------------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1849
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1849
>             Project: Hadoop Map/Reduce
>          Issue Type: New Feature
>            Reporter: Jeff Hammerbacher
>
> The API used internally at Google is described in great detail at 
> http://portal.acm.org/citation.cfm?id=1806596.1806638.

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