MUX View with Group by with Period Metrics is very slow over a certain threshold
STEPS TO REPRODUCE:
Expected Results: Group by to return in a reasonable amount of time compared to first query
Actual Results: The Group By View takes 30+ minutes
Release : 16.0.1, 16.0.2
This is DE65984, duplicate to DE64536 which is fixed in 16.0.3, 16.0.2.1
Additional improvements are added to 16.1.0