Google旧三驾马车: GFS,mapreduce,Bigtable
http://blog.sina.com.cn/s/blog_4ed630e801000bi3.html
Google新三驾马车: Caffeine、Pregel、Dremel
http://www.csdn.net/article/2012-08-21/2808870-Google-Hadoop-versus-Dremel
大规模集群管理工具Borg
http://www.infoq.com/cn/news/2015/04/google-borg