http://thesecretlivesofdata.com/raft/
https://raft.github.io/
http://www.cnblogs.com/mindwind/p/5231986.html
http://blog.csdn.net/whycold/article/details/39157645
http://thesecretlivesofdata.com/raft/
https://raft.github.io/
http://www.cnblogs.com/mindwind/p/5231986.html
http://blog.csdn.net/whycold/article/details/39157645