When MySQL added replication with release 3.23.15 in April 2000, its market position was greatly strengthened. Learn how a master MySQL server can be duplicated in real-time to a cluster of slave servers, enabling MySQL installations to scale up towards mainframe-like performance levels on bargain basement hardware. A successful scaling model is one in which reads dominate over writes, as is typical for many users. Explore a case study success story from an early replication user.