[QA] CI response time investigation and improvements

[Legoktm]

Hi,

On 03/23/2017 03:36 PM, Greg Grossmeier wrote:
> But yes, progress is still being made. There isn't (yet?) a single
> Phabricator project to track this project as a wholistic thing, but some
> are:
> 
> * #Release Pipeline https://phabricator.wikimedia.org/tag/release_pipeline/
> * #Prod-Kubernetes https://phabricator.wikimedia.org/project/profile/2290/
> * #Kubernetes-production-experiment https://phabricator.wikimedia.org/tag/kubernetes-production-experiment/

Those seem significantly more complicated than what I was thinking of. I
was referring to using docker to create clean test environments for our
current CI infra instead of relying on entirely new VMs to do so.

-- Legoktm