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Expert Oracle RAC Performance Diagnostics and Tuning by Murali Vallath

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CHAPTER 12

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Tuning the Storage Subsystem

Decisions about how to design or configure storage hardware and software should be centered on what kind of performance is required from the I/O subsystem. This depends on the type of application, supported workload characteristics, service level agreements (SLA), and so forth. However, due to factors such as cost, reliability, availability, power, and ease of use, performance is often neglected and does not meet expectations. Trade-offs are often made between cost and performance, ease-of-use and performance, and consolidation and performance. Trade-offs at the cost of performance are made in all tiers ...

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