You might want to check out the following, which was its own HN entry just a short while ago. This describes testing a million connections using raw Erlang as

You might want to check out the following, which was its own HN entry just a short while ago. This describes testing a million connections using raw Erlang as well as using a libevent/C front-end for the Erlang testing setup to handle connections. Of course, this person was doing C1024K, but you could probably dial down his presets for your purposes :) http://www.metabrew.com/article/a-million-user-comet-application-with-mochiweb-part-3/ http://www.metabrew.com/article/a-million-user-comet-applica...