A good overview on issues involved in scaling web applications -- focused on the "Prudence" framework, but more generally relevant as well.
Building a Scalable Collaborative Web Filter with Free and Open Source Software @ Michael G. Noll
Mon 30 Nov 2009 at 11:16 AM
Mon 30 Nov 2009 at 11:16 AM
"In this case study, we describe the design and architecture of a scalable collaborative web filtering service, TaggyBear, which is powered by free and open source software." Describes an end-to-end architecture for an app involving Python (Pylons), MySQL, Hadoop and Tokyo Cabinet.
"distinct from most mainstream web server frameworks (and certainly most Python frameworks) because it is non-blocking and reasonably fast."
Presentation by Cal Henderson, author of O'Reilly's "Building Scalable Web Sites"