Why is Entity Framework taking 30 seconds to load records when the generated query only takes 1/2 of a second?

Question

The executeTime below is 30 seconds the first time, and 25 seconds the next time I execute the same set of code. When watching in SQL Profiler, I immediately see a login, t

Answer 1

It is because of the Include. My guess is that you are eager loading a lot of objects into the memory. It takes much time to build the c# objects that corresponds to your db entities.

My recommendation for you is to try to lazy load only the data you need.