[GitHub] tez issue #33: TEZ-3998: support constructing DAG with concurrent edge

[yingdachen]

Github user yingdachen commented on the issue:

    https://github.com/apache/tez/pull/33
  
    thanks @jteagles . let me know if there is anything else to address.
     we will begin working on TEZ-3999 once this is in.


---