System Design

http://horicky.blogspot.com/2010/10/scalable-system-design-patterns.html
http://horicky.blogspot.com/2010/08/designing-algorithmis-for-map-reduce.html
http://horicky.blogspot.com/2009/11/nosql-patterns.html
http://highscalability.com/blog/2014/5/12/4-architecture-issues-when-scaling-web-applications-bottlene.html