By Martin Bach
Specialist Oracle Exadata, 2d variation opens up the internals of Oracle's Exadata platform for you to totally enjoy the such a lot performant and scalable database equipment in a position to working Oracle Database. This version is fully-updated to hide Exadata 5-2 and Oracle Database 12c. in case 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 worth proposition within the type of Exadata has really been a game-changer. This e-book alterations the way you take into consideration coping with SQL functionality and processing. It offers a roadmap to winning Exadata implementation. And it eliminates the "black box" mystique. you are going to find out how Exadata really works and be larger capable of deal with your Exadata engineered structures in help of your small business.
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Specialist Oracle Exadata, 2d version opens up the internals of Oracle's Exadata platform that you should absolutely enjoy the such a lot performant and scalable database equipment in a position to working Oracle Database. This variation 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.
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Additional resources for By Martin Bach - Expert Oracle Exadata (2nd Edition) (2015-08-14) [Paperback]
Software Architecture In this section, we will briefly discuss the key software components and how they are connected in the Exadata architecture. There are components that run on both the database and the storage tiers. Figure 1-3 depicts the overall architecture of the Exadata platform. info Chapter 1 ■ What Is Exadata? ora Exadata Cell Disks Figure 1-3. info Chapter 1 ■ What Is Exadata? The top half of the diagram shows the key components on one of the database servers, while the bottom half shows the key components on one of the storage servers.
The X4-8 database servers are based on the Sun Fire X4800 servers. They are designed to handle systems that require a large amount of memory. 8 GHz) and 2 TB of memory. The X4-8 compute nodes also include seven internal 600GB 10K RPM SAS drives, along with four QDR InfiniBand cards, eight 10Gb Ethernet fiber ports, and ten 1Gb Ethernet copper ports. This gives the full rack X4-8 a total of 240 cores and 4 terabytes of memory on the database tier. Storage Servers The current generation of storage servers is the same for both the X5-2 and the X4-8 models.
The current price list has three options for upgrades, the half-rack to full-rack upgrade, the quarter-rack to half-rack upgrade, and the eighth-rack to quarter rack- upgrade. The options are limited in an effort to maintain the relative balance between database servers and storage servers. These upgrades are done in the field. If you order an upgrade, the individual components will be shipped to your site on a big pallet and an Oracle engineer will be scheduled to install the components into your rack.