Expert Oracle Exadata, 2nd Edition by Martin Bach

By Martin Bach

Specialist Oracle Exadata, 2d version opens up the internals of Oracle's Exadata platform for you to totally enjoy the so much performant and scalable database equipment able to working Oracle Database. This version is fully-updated to hide Exadata 5-2 and Oracle Database 12c. if you are new to Exadata, you will soon study that it embodies a metamorphosis in the way you take into consideration and deal with relational databases. A key a part of that vary lies within the notion of offloading SQL processing to the garage layer. furthermore there's Oracle's engineering attempt in making a robust platform for either consolidation and transaction processing. The ensuing price proposition within the kind of Exadata has really been a game-changer. This ebook alterations the way you take into consideration handling SQL functionality and processing. It presents a roadmap to profitable Exadata implementation. And it eliminates the "black box" mystique. you are going to learn the way Exadata really works and be greater in a position to deal with your Exadata engineered structures in aid of your small business.

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That is because it is the (cell) software that provides the lion’s share of the performance benefit of Exadata. The benefits of the Exadata software are easily demonstrated by disabling offloading on Exadata and running comparisons. This demonstration allows us to see the performance of the hardware without the software enhancements. A big part of what Exadata software does is eliminate totally unnecessary work, such as transferring columns and rows that will eventually be discarded back to the database servers.

A GENERIC VERSION OF EXADATA? The topic of building a generic version of Exadata comes up frequently. The idea is to build a hardware platform that in some way mimics Exadata, presumably at a lower cost than what Oracle charges for Exadata. Of course, the focus of these proposals is to replicate the hardware part of Exadata because the software component cannot be replicated. Nevertheless, the idea of building your own Exadata sounds attractive because the individual hardware components may be purchased for less than the package price Oracle charges.

The high-capacity version provides roughly 150TB of usable disk space if it is configured for normal redundancy. The extreme flash version provides roughly 40TB of usable space if configured for normal redundancy. Full Rack: The X5-2 Full Rack comes with eight database servers and fourteen storage servers. The high-capacity version provides roughly 300TB of usable disk space if it is configured for normal redundancy. The extreme flash version provides about 80TB of usable space if configured for normal redundancy.

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