Lessons learned tuning TCP and Nginx in EC2 at Chartbeat

I wrote a couple blog posts for work diving into what we learned optimizing our performance in EC2.

You can read both parts over at

http://engineering.chartbeat.com/2014/01/02/part-1-lessons-learned-tuning-tcp-and-nginx-in-ec2/

and

http://engineering.chartbeat.com/2014/02/12/part-2-lessons-learned-tuning-tcp-and-nginx-in-ec2/