How to force Django Admin to use select_related?

Question

One of my models is particularily complex. When I try to edit it in Django Admin it performs 1042 queries and takes over 9 seconds to process.

I know I can replace a

Answer 1

In Django 2.0+, a good way to improve performance of ForeignKey and ManyToMany relationships is to use autocomplete fields.

These fields don't show all related objects and therefore load with many fewer queries.