I remember reading from Instagram blog that they found Gunicorn to be less CPU-intensive: We use http://gunicorn.org/ as our WSGI server; we used to use m

I remember reading from Instagram blog that they found Gunicorn to be less CPU-intensive: We use http://gunicorn.org/ as our WSGI server; we used to use mod_wsgi and Apache, but found Gunicorn was much easier to configure, and less CPU-intensive. http://instagram-engineering.tumblr.com/post/13649370142/what-powers-instagram-hundreds-of-instances-dozens-of http://instagram-engineering.tumblr.com/post/13649370142/wha...