Hey @MarkCiliaVincenti - that is a good one.

Instead of rolling out a custom version, I'd prefer either something like Microsofts IHybridCache or @jodydonetti 's FusionCache implementation (which I use in other projects successfully).

Reason being is that the internals on how the protection is happening is part of the implementation and doesn't spill out to the using object.

What do you think now, @linkdotnet?

I have a question.

FusionCache has a L2 caching (distributed caching) option. But in this project, we are not using any L2 caching. In this pull request, are we using FusionCache only for the stampede protection?

Basically: Yes. And to some extent because th API surface of FusionCache is nice.

if someone wants to use redis or so on top - it would be just a matter of a few more extra lines of code.
But not sure of someone needs that scaling for that blog software.