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From John Armstrong <>
Subject Re: Chain Jobs and Accumulo.
Date Tue, 17 Jul 2012 15:45:58 GMT
On 07/16/2012 07:20 PM, Ed Kohlwey wrote:
> I think I remember the deprecation markings reappearing in 2.0 alpha.
> I'm not at a computer right now to confirm though.

The official word whenever this question comes up on the Hadoop mailing 
lists is that mapred has been undeprecated and there is no particular 
plan to officially implement ChainMapper/ChainReducer or any of the 
dozen other Nice Things that mapred has in the mapreduce context.

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