We are also running into more and more performance issues with EF. There are ways to tune it but I am not sure if it’s worth learning this for EF or if it’s not better to just go for straight SQL. Seems MS has this tendency to create abstractions that then don’t work 100%. I see this with .NET too. Often you have to go down to Win32 for apps that are tightly coupled with Windows and hardware.

Is not that the core problem with ORMs. All of them. In the end you do straight SQL when it comes to Performance.

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