Varnish best practices Posted on 2010-01-26 A while ago I wrote about common Varnish issues, and I think it's time for an updated version. This time, I've decided to include a few somewhat uncommon issues that, if set, can be difficult to spot or track down. A sort of pitfall-avoidance, if you will. I'll add a little summary with parameters and such at the end. 1. Run Varnish on a 64 bit operating