司改會
搭配cassandra跟kafka這種底層用commitlog機制創造scale-out可能性的工具去理解
這是曾在linkedin任職Principal Staff Engineer使用kafka建立以log為系統架構核心的Jay Kreps所推行，有別於lambda architecture的kappa architecture概念。
more
https://medium.com/@poga/萬事萬物皆是-log-參考資料-340737133a94
https://videlalvaro.github.io/2015/12/learning-about-distributed-systems.html
http://www.confluent.io/blog/turning-the-database-inside-out-with-apache-samza/
https://www.oreilly.com/ideas/questioning-the-lambda-architecture
http://milinda.pathirage.org/kappa-architecture.com/
https://loveforprogramming.quora.com/Distributed-Systems-Part-1-A-peek-into-consistent-hashing
https://loveforprogramming.quora.com/Distributed-Systems-Part-2-Consistency-versus-Availability-A-Pragmatic-Example
https://loveforprogramming.quora.com/Distributed-Systems-Part-3-Managing-Anti-Entropy-using-Merkle-Trees