With a large number of listeners, we end up spending a lot of time doing stuff with the TlsCachingDateProvider.

If you want to explore the flamegraph more, here is the svg (gh issues don't allow attaching svg): https://gist.github.com/bplotnick/6528a812f5902c4b32b6d85a640dfc9c

Note that you may need to download it in order to view it