Any particular issues, or things that didn’t work Otto? 

Simon


> On 18 Apr 2017, at 11:26, Otto Fowler <ottobackwa...@gmail.com> wrote:
> 
> I’ll try to take a look.  There are a couple of things I wanted to do with 
> MaaS but could not 
> figure out because of a couple of limitations.  I’d like to see if twill 
> offers more flexibility
> 
> 
> 
> 
> On April 18, 2017 at 13:50:39, Nick Allen (n...@nickallen.org) wrote:
> 
> I ran across the Apache Twill [1] project recently whose goal is to reduce  
> the complexity of developing distributed applications that run on YARN. My  
> first thought is that it might offer additional capabilities and/or  
> simplify our current MaaS implementation.  
> 
> Here are a list of features provided by Twill that I think might be useful  
> for MaaS.  
> 
> - Service discovery  
> - Elastic scaling  
> - High Availability  
> - Placement policies - Which rack/host should the model run on?  
> - Security - Kerberos ticket refresh?  
> 
> Just wanted to float the thought in the community and see if anyone has  
> experience with Twill. I need to do some more research myself.  
> 
> [1] http://twill.apache.org/  

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