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Expert Oracle RAC Performance Diagnostics and Tuning by Murali Vallath

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CHAPTER 4

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Testing for Scalability

RAC is a clustered database solution that provides two major functions, namely, scalability and availability for business continuity. Chapter 3 discussed testing the hardware and application for availability. This chapter focuses on testing for scalability.

Depending on the context where it’s applied,scalability is a relative term and can be defined in different ways. In our context, scalability is defined in terms of users: as the number of users accessing the system increases, the RAC configuration should be able to support the increase in demand in proportion to the number of users and without any degradation ...

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