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Oracle 11g R1/R2 Real Application Clusters Essentials by Syed Jaffer Hussain, Ben Prusinski

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Analyzing the Cache Fusion impact on RAC performance

In order to optimize the performance of Oracle RAC environments, you need to understand how Cache Fusion operates in terms of inter-instance messaging and block transfers. It is essential to gain mastery of the key performance views, wait events, and statistics generated within AWR and ADDM to successfully tune Oracle RAC. By understanding these key RAC wait events, you can identify bottlenecks with RAC processing and find the root cause and the solution to resolve performance issues. To help you with gaining this knowledge for tuning wait events, we will take a look into some of these core factors that are the capstone of tuning Oracle RAC.

Cache Fusion

Cache Fusion is the engine behind the robust ...

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