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From Harsh J <ha...@cloudera.com>
Subject Re: yarn-site.xml and aux-services
Date Wed, 05 Jun 2013 05:57:42 GMT
Yes, thats what this is for. You can implement, pass in and use your
own AuxService. It needs to be on the NodeManager CLASSPATH to run
(and NM has to be restarted to apply).

On Wed, Jun 5, 2013 at 4:00 AM, John Lilley <john.lilley@redpoint.net> wrote:
> I notice the yarn-site.xml
>
>
>
>   <property>
>
>     <name>yarn.nodemanager.aux-services</name>
>
>     <value>mapreduce.shuffle</value>
>
>     <description>shuffle service that needs to be set for Map Reduce to run
> </description>
>
>   </property>
>
>
>
> Is this a general-purpose hook?
>
> Can I tell yarn to run *my* per-node service?
>
> Is there some other way (within the recommended Hadoop framework) to run a
> per-node service that exists during the lifetime of the NodeManager?
>
>
>
> John Lilley
>
> Chief Architect, RedPoint Global Inc.
>
> 1515 Walnut Street | Suite 200 | Boulder, CO 80302
>
> T: +1 303 541 1516  | M: +1 720 938 5761 | F: +1 781-705-2077
>
> Skype: jlilley.redpoint | john.lilley@redpoint.net | www.redpoint.net
>
>



-- 
Harsh J

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