CHAPTER 3

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How Oracle Works on Exadata

The unique Exadata software presented in Chapter 2 is what enables Exadata to deliver unparalleled database performance. This software’s features are what sets Exadata apart from non-Exadata platforms; Oracle has released this software only on the Exadata Database Machine. Experienced Oracle database administrators, Unix/Linux administrators, and storage administrators may be familiar with how Oracle performs I/O. With Exadata, Oracle has designed a new I/O communications protocol, changing how I/O is translated from the database instance to the operating system on which Oracle runs, over the storage interconnect, ...

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