Team Member Web App R8.3.1

I'm testing the use of a work distribution filter (WDF) to allow a team member who is not the activity owner or resource to see a list of tasks that he/she is responsible for updating in the Team Member interfaces. What I am finding is that when using a WDF it appears that it is searching the entire database of Active projects. I say this because at login of the TM user the app hangs at 25%. I am using an EPS Activity Code that is set at the same level of the EPS that the project resides. The thought