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From zaki rahaman <zaki.raha...@gmail.com>
Subject Re: Combiner function
Date Mon, 02 Aug 2010 15:43:51 GMT
>From the Wiki: http://wiki.apache.org/hadoop/HadoopMapReduce

In simple cases, your combiner may simply be your reduce function/code
applied to your map output before it's shuffled, sorted, and available for
reduce tasks. (This is often the case with counting/simple aggregation).

On Mon, Aug 2, 2010 at 11:39 AM, Jackob Carlsson
<jackob.carlsson@gmail.com>wrote:

> Hi everyone,
> Could anyone please help me to understand the function of combiner?
>
> Thanks in advance
> Jackob
>



-- 
Zaki Rahaman

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