See http://www.tornadoweb.org/documentation#running-tornado-in-production http://www.tornadoweb.org/documentation#running-tornado-in-p... . FriendFeed uses ngi

See http://www.tornadoweb.org/documentation#running-tornado-in-production http://www.tornadoweb.org/documentation#running-tornado-in-p... . FriendFeed uses nginx as a reverse proxy to run several instances of the Tornado web server process. Each process has its own GIL.