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Oracle Database 10g Real Application Clusters Handbook by K Gopalakrishnan

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CHAPTER 12A Closer Look at Cache Fusion

Ascalable high performance system should spend the least amount of time in message transits and should use the most efficient communication methods for I/O processing. Cache Fusion makes this possible. In this chapter we look under the hood of Cache Fusion to understand the various kinds of block transfers that occur between instances. Understanding the internal operations of the block transfers will help you appreciate the intelligence built in to this component of Real Application Clusters.

We also take a look at how and why Oracle moves data blocks from one instance to another instance in an RAC environment. We also explain concepts closely associated with the Cache Fusion technology and wherever possible ...

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