[pcwalton]

Most applications right now should do thread-per-request. Thread spawning is very optimized in both Rust and the Linux kernel, and you can adjust stack sizes if you need to. If you're hitting limits caused by this, you can use mio.

[Narishma]

What about systems other than Linux?

[pcwalton]

Mac OS X is rarely used for servers, so I'm not particularly concerned about it. On Windows you can use user-mode scheduling—I would like to see a library for this—which is effectively 1:1.