Hi Kent,The reason nested DAGS is out of the question is because the jobs might be submitted by different users at different times and a "superuser" should decide afterwards that job B, C and D
must run after job A completes. But it is not yet known at submit time. Cheers, Szabolcs
Hmm -- just trying to clarify things a bit -- nested DAGs won't work for you? (In other words, do you have some reason that the DAGs have to be submitted completely separately?) If you can use nested DAGs, this is very easy -- just make a top-level DAG like this: Subdag external A A.dag Subdag external B B.dag Subdag external C C.dag Parent A child B C Kent Wenger