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From Jeff Eastman <>
Subject Re: Moving to new Hadoop APIs
Date Tue, 25 May 2010 15:42:29 GMT
+1 on both. I'm gone sailing for the weekend but will restart work on 
MAHOUT-167 now

On 5/25/10 8:33 AM, Robin Anil wrote:
> +1 On moving forward and on using Abstract Job across the Codebase.
> On Tue, May 25, 2010 at 7:47 PM, Sean Owen<>  wrote:
>> Just to state what seems to be in progress -- looks like we are agreed
>> we should move to the new Hadoop APIs. Some code is already using it;
>> most of the part that isn't is the recommender which was due to some
>> strange bugs deep in Hadoop in prior versions. It's time to try it
>> again. I'm going to work on porting everything forward now.
>> The other argument against this was that Amazon EMR runs 0.18.3. I
>> think Jeff already established that what we're doing has already
>> broken compatibility with 0.18.x. We can point those users to release
>> 0.3 and say they can try to back-port that code to 0.18.x
>> compatibility. But 0.4 onwards is for 0.20.x+ and you can run your own
>> cluster using AWS and hopefully EMR updates soon.
>> Sean

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