Kai Yu is a Senior Principal Engineer and technologist in Dell s Oracle Solutions Engineering Lab specializing in Oracle RAC, Oracle Virtualization, and Cloud. With 18+ years of experience working on Oracle technology, he has implemented and managed many large, mission-critical Oracle RAC databases, including those in his tenure with an IT organization having more than two thousand RAC databases. Kai is a well-known author of technical articles and a frequent speaker at Oracle conferences such as OpenWorld, Collaborate, UKOUG, Finland OUG, Norway OUG, OTN Asia/Pacific tour, and Latin Americas