- http://www.slashroot.in/nginx-web-server-performance-tuning-how-to-do-it
- https://github.com/lebinh/ngxtop
- https://raw.github.com/major/MySQLTuner-perl/master/mysqltuner.pl
- https://launchpad.net/mysql-tuning-primer
- http://www.mysqlperformanceblog.com/files/utils/mysql_slow_log_parser
- http://www.askapache.com/mysql/performance-tuning-mysql.html
- [https://github.com/lebinh/ngxtop](know what is happening to your nginx server in real-time.)