So, now you got a RAC system and suddenly you see events like “gc current block busy” and the system is noticeably slower. What do they mean and how do you solve the issue. This session goes through a series of real life RAC related issues experienced by the speaker and explanation of each of them and how to resolve them properly. For instance, when you see a lot of GC related waits, do not automatically assume the interconnect is slow; it could be the CPU consumption is driving that condition. Learn what these events mean and how to diagnose the issues correctly.