I worked on the fastly varnish fork. None of this is accurate. Definitely not "because of phk influence". Most of the details are obviously secret, but occasio

I worked on the fastly varnish fork. None of this is accurate. Definitely not "because of phk influence". Most of the details are obviously secret, but occasionally when we found something architecturally concerning I'd talk it over with phk in IRC and he would make his own fix. Fastly is a big complex distributed system loosely based on Varnish. There are several fantastic blog posts about Fastly's distributed architectural design, but nothing to my knowledge about anything else. Comparing single-machine scalability is completely inaccurate, mostly because you'll never know what fastly actually did or more importantly why they did it. In general the "big co's fork of X must be superior" is a trope I'm thoroughly tired of.