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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Null mapper?
Date Mon, 16 Aug 2010 21:48:38 GMT
No.

On Mon, Aug 16, 2010 at 1:25 PM, David Rosenstrauch <darose@darose.net>wrote:

> Is it possible for a M/R job to have no mapper?  i.e.:
> job.setMapperClass(null)?  Or is it required that one at least use an
> "identity mapper" (i.e., plain vanilla org.apache.hadoop.mapreduce.Mapper)?
>
> Thanks,
>
> DR
>

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