I\'m using django with apache and mod_wsgi and PostgreSQL (all on same host), and I need to handle a lot of simple dynamic page requests (hundreds per second). I faced with
I created a small Django patch that implements connection pooling of MySQL and PostgreSQL via sqlalchemy pooling.
This works perfectly on production of http://grandcapital.net/ for a long period of time.
The patch was written after googling the topic a bit.