PCS should call the /pahe/{title}/html endpoints in MediaWiki (through the service mesh), instead of calling tha page/html/{title} endpoints on RESTbase.
Roll-out strategy
- Staging for sanity tests
- Execute sanity tests and test the new routed endpoint
- Eqiad and Codfw cluster in production
Open Questions
- How does that affect ParserCache load? Is this a blocker?