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Re: yarn-site.xml and aux-services
Going by what I have read ,I think its a general purpose hook of Yarn arch.
to run any service in node managers. Hadoop uses this for shuffle service .
Other yarn based applications might use this as well.

Thanks,
Rahul
On Wed, Jun 5, 2013 at 4:00 AM, John Lilley <[EMAIL PROTECTED]>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 *|* *[EMAIL PROTECTED]* *|*
> www.redpoint.net****
>
> ** **
>