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Hadoop, mail # user - Right way to implement MR ?


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Re: Right way to implement MR ?
Arun C Murthy 2012-05-24, 02:29
You might want to start with http://hadoop.apache.org/common/docs/stable/mapred_tutorial.html.

Arun

On May 23, 2012, at 12:47 PM, samir das mohapatra wrote:

> Hi All,
>     How to compare to input file In M/R Job.
>     let A Log file around 30GB
>    and B Log file size is around 60 GB
>
>  I wanted to know how  i will  define <K,V> inside the mapper.
>
> Thanks
>  samir.

--
Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/