c# - Is it possible to limit the cores for Parallel.ForEach?

Question

I'm using a Parallel.ForEach in my code. All my 8 cores go to 100%. This is bad for the other apps that are running on the server. Is it possible to limit execution to like 4 cores?

Answer 1

Pass an instance of ParallelOptions with ParallelOptions.MaxDegreeOfParallelism set to 4 to Parallel.ForEach.

Nevertheless this might not make sense on other machines, that might have more or less cores than you. In general you should let the framework decide the degree of parallelism.