hadoop-hdfs-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Raj K Singh <rajkrrsi...@gmail.com>
Subject Re: Map reduce Query
Date Thu, 19 Jun 2014 11:45:22 GMT
you can get the input from some source(e.g. files) in the mapper setup()
method and emit it to the context.write() so that it can reach to the
reducer.

::::::::::::::::::::::::::::::::::::::::
Raj K Singh
http://in.linkedin.com/in/rajkrrsingh
http://www.rajkrrsingh.blogspot.com
Mobile  Tel: +91 (0)9899821370


On Thu, Jun 19, 2014 at 2:30 PM, Shrivastava, Himnshu (GE Global Research,
Non-GE) <Himnshu.Shrivastava@ge.com> wrote:

>  Can we take input in a mapper function and in some way pass it  to
> reducer ?
>
>
>
> Regards,
>

Mime
View raw message