Udacity's Web Application Engineering course is pretty good. http://www.udacity.com/view#Course/cs253/CourseRev/apr2012/Unit/366003/Nugget/525001 http://www.ud

Udacity's Web Application Engineering course is pretty good. http://www.udacity.com/view#Course/cs253/CourseRev/apr2012/Unit/366003/Nugget/525001 http://www.udacity.com/view#Course/cs253/CourseRev/apr2012/U... Particularly, Unit 6 and Unit 7 talk about scaling. The course uses GAE, but the concepts apply everywhere. The professor is Steve Huffman who has practical experience scaling Reddit and now Hipmunk.