https://www.iteblog.com/archives/1624.html
http://www.infoq.com/cn/news/2015/01/big-data-apache-flink-project
http://mp.weixin.qq.com/s?__biz=MzA5NzkxMzg1Nw==&mid=2653159231&idx=1&sn=a9c38f7de7722d238c2e0636cf938605&scene=0#wechat_redirect
