Well it's easier than you think (if you know what you are doing). I am serving around 90-100 mil requests per day from one 4-core xeon machine with most of the

Well it's easier than you think (if you know what you are doing). I am serving around 90-100 mil requests per day from one 4-core xeon machine with most of the CPU idle. With around 2500 queries/s to redis and ~2k queries per second to postgres. App is written mostly in Go. A lot of those requests are updates.