http://blog.csdn.net/jiang1245764446/article/details/51898723 (Tomcat 8 installation and configuration, optimization)
http://www.cnblogs.com/hukey/p/5517314.html (Tomcat 8.0 tuning configuration)
http://blog.csdn.net/our_sky/article/details/51362676 (Tomcat8 installation, security configuration and performance optimization)
https://www.cnblogs.com/emberd/p/5973516.html (Java startup parameters and tuning)