C# Generic List – Copy by value

Yesterday I came across an interesting issue. We have a source for our product information. This product are then published onto two websites with different tenant id. Now if we process 116K items two times, we are looking for ways to improve the performance. So what we did was we selected those SKU onlys once and updated them into a list twice with different tenant id each time.  Here's the code to explain it.

More coming soon ...