...@163.com
> >
> > From: Susheel Kumar Gadalay
> > Date: 2014-12-22 13:20
> > To: user
> > Subject: Re: Question about shuffle/merge/sort phrase
> > Sorry, typo
> >
> > It is the reducer which will pull the mapper o/p as soon as it completes.
>
nodes before reducer see the
> ?
>
> --
> bit1...@163.com
>
>
> *From:* Susheel Kumar Gadalay
> *Date:* 2014-12-22 13:20
> *To:* user
> *Subject:* Re: Question about shuffle/merge/sort phrase
> Sorry, typo
>
> It is the reducer
nodes before reducer see the
> ?
>
>
>
> bit1...@163.com
>
> From: Susheel Kumar Gadalay
> Date: 2014-12-22 13:20
> To: user
> Subject: Re: Question about shuffle/merge/sort phrase
> Sorry, typo
>
> It is the reducer which will pull the mapper o/p as soon as
Then what exactly happens after Reducer pulls all mapper output key/value pairs
from all the mapper nodes before reducer see the ?
bit1...@163.com
From: Susheel Kumar Gadalay
Date: 2014-12-22 13:20
To: user
Subject: Re: Question about shuffle/merge/sort phrase
Sorry, typo
It is the reducer
4-12-22 12:23
To: user@hadoop.apache.org
Subject: RE: Question about shuffle/merge/sort phrase
whose responsibility is it that brings each key with all its values together
>> You can set combiner class in your job. For more information , refer
http://hadoop.apache.org/docs/current/hadoop-
Sorry, typo
It is the reducer which will pull the mapper o/p as soon as it completes.
On 12/22/14, Susheel Kumar Gadalay wrote:
> It is the mapper which will push the o/p to the respective reducer as
> soon as it completes.
>
> The no of reducers are known at the beginning itself.
> The mapper a
It is the mapper which will push the o/p to the respective reducer as
soon as it completes.
The no of reducers are known at the beginning itself.
The mapper as it process the input split, generate the o/p of for each
reducer (if the mapper o/p key is eligible for the reducer).
The reducer will wai
whose responsibility is it that brings each key with all its values together
>> You can set combiner class in your job. For more information , refer
http://hadoop.apache.org/docs/current/hadoop-mapreduce-client/hadoop-mapreduce-client-core/MapReduceTutorial.html
Thanks & Regards
Rohith Sharma K S
