For two reasons:
- To mirror production setup (services on sc* cluster)
- To reduce the resource usage of individual services in Beta Cluster (and thus WMF Labs). See: https://wikitech.wikimedia.org/wiki/Purge_2016#In_use_deployment-prep
For two reasons:
sqlite> select backend.url from backend, route where backend.route_id = route.id and route.domain = 'citoid-beta.wmflabs.org.'; http://deployment-sca01.eqiad.wmflabs:1970