The client "limit" is just a tunable with a bad default value. You can tune this up and completely eliminate that limit. (The failure mode is pretty bad, but

The client "limit" is just a tunable with a bad default value. You can tune this up and completely eliminate that limit. (The failure mode is pretty bad, but this comes from a lack of observability in abstraction design that pervades most code.) The server example, on the other hand, demonstrates the point that the default way to write a "hello world" web server actually scales very well.