[naasking]

Then those thread pool threads have to be careful not to take locks and other scarce resources that aren't cleaned up then, no?

[cyberax]

Sure. But if you only use it to run blocking requests, it's probably going to be pretty trivial. It won't be super-high performance because of all the cache bounces, but if you're not using something like epoll, then you probably are not really focused on performance anyway.