I don't think its that much more complicated than Wikimedia, which does 5x the traffic: https://meta.wikimedia.org/wiki/Wikimedia_servers https://meta.wikimedia

I don't think its that much more complicated than Wikimedia, which does 5x the traffic: https://meta.wikimedia.org/wiki/Wikimedia_servers https://meta.wikimedia.org/wiki/Wikimedia_servers