Riyaj Shamsudeen is an industry-recognized RAC expert and performance tuning specialist with 19+ years of experience in implementing, using, and tuning RAC and Oracle products. He is an Oracle ACE Director and proud member of the OakTable network. Riyaj has co-authored many books about Oracle Database. He is an active blogger (at http://orainternals.wordpress.com) and frequent international speaker in major conferences such as UKOUG, HOTSOS, Open World, and RMOUG.