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From Pedro Magalhaes <pedror...@gmail.com>
Subject Re: map-side and reduce-side join implementations
Date Sat, 30 Aug 2014 06:07:46 GMT
Keren,

The map side join can be implementes using CompositeInputFormat or
DistributedCache.

If u googled these two words you can find some implementations.

Hope that it helps.


Em sexta-feira, 29 de agosto de 2014, Keren Ouaknine <kereno@gmail.com>
escreveu:

> Hi,
>
> I am looking for implementations of a simple two way join algorithm based
> on the new api (mapreduce) map-side join and reduce-side join. (cause one
> join has two large datasets and the other has a large and a small dataset
> so that would map to reduce side-join and map-side join respectively).
>
> I started with the Def Guide book, but it doesn't have a map-side example
> (just explanations on the algorithm). I looked on the web and found
> examples of three way-joins only.
>
> Any pointers?
>
> Thanks,
> Keren
>
> --
> Keren Ouaknine
> www.kereno.com
>

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