The new name is *Analytics-Cluster* , the URL is still the same [1]
We changed the name because some of the tasks logged in this project went
beyond the scope of the Refinery code repository and involved actual work
on the cluster.
More on the project is on Wikitech [2]
[1]
https://phabricator.wikimedia.org/project/view/655/
[2]
https://wikitech.wikimedia.org/wiki/Analytics/Cluster/Overview