Uhm.. sounds like your doing a bunch of N+1 querying, this is generally fixed by overriding get_query_set to use select_related in your manager classes and then

Uhm.. sounds like your doing a bunch of N+1 querying, this is generally fixed by overriding get_query_set to use select_related in your manager classes and then you set .objects. to point to the overridden manager class inside of your models.