The following 2 links should help you get started. Might be best to start with the sigmod paper and one of the earlier videos.
https://cwiki.apache.org/confluence/display/TEZ/How+to+Contribute+to+Tez https://cwiki.apache.org/confluence/display/TEZ/Presentations%2C+publications%2C+and+articles+about+Tez thanks — Hitesh > On Aug 9, 2016, at 8:03 AM, darion.yaphet <fly...@163.com> wrote: > > Hi team : > I'm a beginner to learn tez source code . Is there any resource tez > architecture and design document to introduce it ? > thanks > > >