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On 10/07/2016 16:23, Sunil Govind wrote:
> Hi Alvaro
> I suspect YARN is not supporting to register any custom listeners from 
> user end (for any events).
> Through the REST api's, you could query and try to get the STATE of 
> the application (http://{ip:port}/ws/v1/cluster/apps/{appid}) given 
> the app id. If the app state is RUNNING, you can consider the 
> application has started.
>
> Thanks
> Sunil
>
> On Thu, Jul 7, 2016 at 3:12 PM Alvaro Brandon <alvarobrandon@gmail.com 
> <mailto:alvarobrandon@gmail.com>> wrote:
>
>     Hello everyone:
>
>     I was wondering if there is any way to capture the event of an
>     application starting in YARN. The idea is to implement a Listener
>     that every time a YARN application starts, will query the REST API
>     to get the current memory and cores availables in the cluster. Any
>     ideas on this?
>
>     Thanks in advance,
>
>     Alvaro
>