http://storm.apache.org/releases/1.0.0/Trident-API-Overview.html
https://stackoverflow.com/questions/17257448/what-is-the-task-in-storm-parallelism
http://www.michael-noll.com/blog/2013/06/21/understanding-storm-internal-message-buffers/
http://www.michael-noll.com/blog/2013/06/21/understanding-storm-internal-message-buffers/
http://www.michael-noll.com/blog/2012/10/16/understanding-the-parallelism-of-a-storm-topology/
https://community.hortonworks.com/articles/14171/windowing-and-state-checkpointing-in-apache-storm.html
http://storm.apache.org/releases/1.1.0/Tutorial.html
http://storm.apache.org/releases/1.0.0/Windowing.html
http://blog.csdn.net/hguisu/article/details/8454368
https://melmeric.files.wordpress.com/2014/11/the-power-of-both-choices-practical-load-balancing-for-distributed-stream-processing-engines.pdf
http://storm.apache.org/releases/current/Tutorial.html
http://tech.uc.cn/?p=2159
携程基于Storm的实时大数据平台实践
https://m.zhihu.com/question/29595489
http://ifeve.com/wp-content/uploads/2014/03/Getting-Started-With-Storm-Jonathan-Leibiusky-Gabriel-E_1276.pdf
http://file.allitebooks.com/20150911/Storm%20Applied.pdf