[jpren]

Can someone at Facebook verify if the answer on Quora is accurate/mostly accurate?

[orijing]

It's basically accurate. Also, there are upvotes from notable employees at Facebook like Andrew Bosworth

[tkahnoski]

It seems to be pretty consistent with the engineering blog http://m.facebook.com/Engineering?_rdr

Great to see this in one place. I would love to know more about the more internal facing systems (code deployment, test frameworks, failover systems...).