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MapReduce >> mail # user >> No Mapper but Reducer

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Re: No Mapper but Reducer
I dont think that is possible, can you explain in what scenario you want to
have no mappers, only reducers?

Best Regards,
Crux: Reporting for HBase <https://github.com/sonalgoyal/crux>
Nube Technologies <http://www.nubetech.co>


On Wed, Sep 7, 2011 at 1:18 PM, Bejoy KS <[EMAIL PROTECTED]> wrote:

> Hi
>           I'm having a query here. Is it possible to have no mappers but
> reducers alone? AFAIK If we need to avoid the tyriggering of reducers we can
> set numReduceTasks to zero but such a setting on mapper wont work. So how
> can it be achieved if possible?
> Thank You
> Regards
> Bejoy.K.S