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Oracle Exadata Expert’s Handbook by Tariq Farooq

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16. Advanced Exadata Flash Configuration

In this chapter we look at more advanced techniques for exploiting Exadata Flash disk. By default Exadata configures all Flash disk as Exadata Smart Flash Cache. This configuration provides performance improvements for a wide variety of workloads and requires very little configuration on behalf of the Exadata administrator. However, it is also possible to configure Exadata Flash disks as grid disks and allocate these to ASM disk groups, which can then be used to directly support tablespaces or redo logs. In this chapter we’ll see how to create such a configuration and see how it performs for various workloads.

Using Flash as Grid Disks

Exadata systems contain an incredible amount of Flash disk—up to 44TB ...

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