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From Harsh J <ha...@cloudera.com>
Subject Re: Doubt on Input and Output Mapper - Key value pairs
Date Wed, 07 Nov 2012 12:42:49 GMT
The answer (a) is correct, in general.

On Wed, Nov 7, 2012 at 6:09 PM, Ramasubramanian Narayanan
<ramasubramanian.narayanan@gmail.com> wrote:
> Hi,
>
> Which of the following is correct w.r.t mapper.
>
> (a) It accepts a single key-value pair as input and can emit any number of
> key-value pairs as output, including zero.
> (b) It accepts a single key-value pair as input and emits a single key and
> list of corresponding values as output
>
>
> regards,
> Rams



-- 
Harsh J

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