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From Richard Tomsett <indigentmart...@gmail.com>
Subject Re: how use only a reducer without a mapper
Date Wed, 27 Aug 2008 16:19:22 GMT
Leandro Alvim wrote:
> How can i use only a reduce without map?

I don't know if there's a way to run just a reduce task without a map 
stage, but you could do it by having a map stage just using the 
IdentityMapper class (which passes the data through to the reducers 
unchanged), so effectively just doing a reduce.

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