Digg: 4000% Performance Increase by Sorting in PHP Rather than MySQL - High Scalability -O'Reilly Radar's James Turner conducted a very informative interview with Joe Stump, current CTO of SimpleGeo and former lead architect at Digg, in which Joe makes some of his usually insightful comments on his experience using Cassandra vs MySQL. As Digg started out with a MySQL oriented architecture and has recently been moving full speed to Cassandra, his observations on some of their lessons l
