seems like nginx in front of either uWSGI or gunicorn is the preferred configuration (alternative to apache and mod_python)

this was an informative discussion:
http://www.reddit.com/r/Python/comments/16tm4e/what_wsgi_servers_you_use/

and this is a useful benchmark:
http://nichol.as/benchmark-of-python-web-servers


https://www.google.com/search?q=python+webserver&oq=python+webserver&aqs=chrome.0.57.2389j0&sourceid=chrome&ie=UTF-8#sclient=psy-ab&q=python+webserver+comparison&oq=python+webserver+comparison&gs_l=serp.3..0i10j0i22i30.203797.205798.0.206687.11.11.0.0.0.0.453.2382.3j1j5j1j1.11.0...0.0.0..1c.1.16.psy-ab.0nlgqizpWa4&pbx=1&bav=on.2,or.r_qf.&bvm=bv.47534661,d.aWc&fp=de346911d8be9af9&biw=990&bih=641
http://nichol.as/benchmark-of-python-web-servers
https://www.google.com/search?q=gevent+vs+fapws&oq=gevent+vs+fapws&aqs=chrome.0.57.3558j0&sourceid=chrome&ie=UTF-8#q=gevent+vs+fapws&source=lnt&tbs=qdr:y&sa=X&ei=opq3UZGUG4XlygHry4CoCQ&ved=0CB4QpwUoBQ&bav=on.2,or.r_qf.&bvm=bv.47534661,d.aWc&fp=de346911d8be9af9&biw=990&bih=641
http://www.reddit.com/r/Python/comments/16tm4e/what_wsgi_servers_you_use/
http://www.fapws.org/benchmarks
http://www.tornadoweb.org/en/stable/
https://www.google.com/search?q=uwsgi&oq=uwsgi&aqs=chrome.0.57.6364j0&sourceid=chrome&ie=UTF-8
http://projects.unbit.it/uwsgi/
http://uwsgi-docs.readthedocs.org/en/latest/WSGIquickstart.html
http://uwsgi-docs.readthedocs.org/en/latest/ThingsToKnow.html
https://www.google.com/search?q=nginx&oq=nginx&aqs=chrome.0.57j62.2196j0&sourceid=chrome&ie=UTF-8
http://nginx.org/en/
https://www.google.com/search?q=gunicorn&oq=gunicorn&aqs=chrome.0.57.1781j0&sourceid=chrome&ie=UTF-8
http://gunicorn.org/
http://docs.python.org/2/howto/webservers.html
http://wiki.python.org/moin/WebFrameworks