For a long time, one of my acquired articles of faith has been thatyou needed to worry about and avoid the thundering herd accept() problem. (This is the problem where ifyou have a bunch of processes all waiting in accept() and a singleconnection comes in, many kernels will wake all of the processes up onlyto have most of them immediately go back to sleep.)

One of the things that Unicorn (via Ryan Tomayko and others )has taught me about preforking servers is that the