Varnish is indeed crazy fast...for things you can cache. The complaints I've been seeing center on slowness and timeouts for posting stuff, in which case Varnis

Varnish is indeed crazy fast...for things you can cache. The complaints I've been seeing center on slowness and timeouts for posting stuff, in which case Varnish (like the recent pagination change) might not help. I think PG opening up the latest code and giving people a chance to actually diagnose the causes of the slowness is a great a idea. Anything else -- premature optimization.