At Urban Airship we recently published a blog post about scaling beyond 500,000 concurrent socket connections. Hitting these numbers was not a trivial exercise so we’re going to share what we’ve come across during our testing. This guide is specific to Linux and has some information related to Amazon EC2, but it is not EC2-centric. These principles should apply to just about any Linux platform.

Fresh neurons arise in the adult brain every day. New research suggests that the cells ultimately help with learning complex tasks—and the more they are challenged, the more they flourish