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Running Applications on Oracle Exadata by Joyjeet Banerjee

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CHAPTER7

Application Consolidation in Exadata

The data center has evolved considerably since the mainframe era. In those days, dedicated silos of hardware and software were built for each application, which made it easy to provide predictable levels of service—unless, of course, there were wild peaks in load. However, it also meant that hardware and software had to be overprovisioned to meet peak demands. It was difficult to scale as the application’s, demand grew, often requiring forklift updates and the associated downtime. Because customers tended to overprovision, they paid more than they needed to for hardware, software, and maintenance. ...

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