High Scalability Building bigger, faster, more reliable websites.

Update: Google added videos on Cluster Computing and MapReduce. There are five lectures: Introduction, MapReduce, Distributed File Systems, Clustering Algorithms, and Graph Algorithms.

Advanced website design depends on deep distributed system design knowledge. Where do you get this knowledge? Try Google. They have a a whole Code for Educators program with tutorials and lectures on AJAX programming, distributed systems, and web security. Looks pretty nice.

The article describes the problem of tag cloud construction in huge systems with millions of users (such as www.youtube.com and www.flickr.com). The solution proposed is quite interesting from the technical point of view.