links for 2008-06-03 Published June 3, 2008 App Engine Fan: Efficient Global Counters nice demo of sharding a counter to avoid locking overhead under heavy load (tags: sharding databases google app-engine counter) SkyNet Lives! (aka EC2 @ SmugMug) great detailed post about SmugMug’s EC2 horizontal-scaling controller (tags: ec2 aws amazon smugmug scaling servers)