Spark GraphX源码分析: 分布式图计算
https://www.evernote.com/l/AATTemn2ag1BBYcxkyREZRGxDp481A4Uauo
Impala Concepts and Architecture
https://www.evernote.com/l/AAQENXLmPghDC5TIukKM8gExGhu7kGgEMiE