Klaus Weidenbach
Think you've mastered the art of server performance?
A great article about performance. Someone who works on Varnish seems to be a good source for such information.

Acm: You're Doing It Wrong - ACM Queue


by Poul-Henning Kamp | June 1, 2010 Think you've mastered the art of server performance? Think again.
Would you believe me if I claimed that an algorithm that has been on the books as "optimal" for 46 years, which has been analyzed in excruciating detail by geniuses like Knuth and taught in all computer science courses in the world, can be optimized to run 10 times faster?