[jtwigg]

FYI, if you plan to do this in ASP netcore, combine with AsyncLazy for the most optimal results https://github.com/davidfowl/AspNetCoreDiagnosticScenarios/b...

[alexchro93]

Neat page from David Fowler. I didn't know about that one. Thank you.

To further explain why you want to use an AsyncLazy (or Lazy for synchronous programming) when working with ConcurrentDictionary I find this article to be helpful: https://andrewlock.net/making-getoradd-on-concurrentdictiona...