I know Stackoverflow and all their related services are running bare-metal and has done so for a long time. They have written a very detailed series of blog pos

I know Stackoverflow and all their related services are running bare-metal and has done so for a long time. They have written a very detailed series of blog posts about their whole infrastructure and hardware which I really recommend that you read if you haven't already. Here's Part 1 of the series: http://nickcraver.com/blog/2016/02/17/stack-overflow-the-architecture-2016-edition/ http://nickcraver.com/blog/2016/02/17/stack-overflow-the-arc... (the other parts are linked from there)