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MapReduce >> mail # user >> Comparison between JobClient/JobConf and Job/Configuration


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Re: Comparison between JobClient/JobConf and Job/Configuration
Actually, if you care about being binary compatible b/w hadoop-1 and hadoop-2, stay with "old" mapred API.

On Apr 25, 2013, at 10:04 AM, Sandy Ryza wrote:

> Hi Kevin,
>
> JobClient/JobConf is the "old" mapred API and Job/Configuration is the improved "new" API, so in general the latter is preferred.
>
> -Sandy
>
>
> On Thu, Apr 25, 2013 at 5:27 AM, Kevin Burton <[EMAIL PROTECTED]> wrote:
> I notice that in some beginning texts on starting a Hadoop MapReduce job sometimes JobClient/JobConf is used and sometimes Job/Configuration is used. I have yet to see anyone comment on the features/benefits of either set of methods. Could someone comment on their preferred method for starting a MapReduce job from a Java program?
>
>  
>
> Thank you.
>
>

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Arun C. Murthy
Hortonworks Inc.
http://hortonworks.com/