Riyaj: why optimizer_hates_my_sql_2010 A close encounter_with_real_world_and_odd_perf_issues Riyaj real world performance issues rac focus Debunking myths about_redo_ppt Advanced RAC troubleshooting: Network Deep review of LMS process Demystifying cost based optimization Advanced rac troubleshooting A kind and gentle introducton to rac Performance tuning a quick intoduction pstack, truss etc to understand deeper issues in Oracle database A deep dive about VIP,HAIP, and SCAN 
