http://blog.csdn.net/wbw1985/article/details/5506515

http://blog.csdn.net/wbw1985/article/details/6035326

http://www.javaworld.com/article/2077523/build-ci-sdlc/java-tip-26--how-to-improve-java-s-i-o-performance.html

http://blog.csdn.net/wbw1985/article/details/8166349