http://programmers.stackexchange.com/questions/154291/how-to-design-highly-scalable-web-services-in-java
http://stackoverflow.com/questions/7193012/how-to-handle-2000-requests-sec-on-tomcat
http://www.infoworld.com/article/2616674/database-administration/10-essential-performance-tips-for-mysql.html
http://www.databaseskill.com/2757013/