Tag: Oracle

A grand tour of Oracle Exadata, Part 2

After covering hardware components of Sun Oracle Database Machine in part 1, our grand tour continues with a look at the software side. With the prominent exceptions of the Exadata storage server software and the Oracle database itself, the software stack is based on well-known and widely used open source products.

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Log Buffer #196, A Carnival of the Vanities for DBAs

Welcome to Log Buffer, the weekly roundup of database industry news.

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Exadata’s Best Kept Secret: Storage Indexes

Although many electrons have been expended discussing Exadata’s features, storage indexes tend to figure last, with a vague mention of row elimination in heavily clustered data. Even Oracle’s Exadata software user guide devotes barely half a page to them. Unlike the better known smart scanning features though, storage indexes have an important advantage: rather than offloading workload to storage cells, they eliminate the need to do the I/O at all. Here are some sample statistics taken from an actual production system:

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Environment Variables in Grid Control User Defined Metrics

Emerson wrote: “Foolish consistency is the hobgoblin of small minds”. I love this quote, because it allows me to announce a presentation titled “7 Sins of Concurrency” and then show up with only 5. There are places where consistency is indeed foolish, while other times I wish for more consistency. Here is a nice story that illustrates both types of consistency, or lack of.

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Exadata Technology Blogs

I hear lots of feedback on Exadata front asking for more and more technical information and I often refer them to some material online. I think I should reference couple credible resources for the readers of our blog in addition to our own Exadata content and Oracle’s own Exadata Technology section.

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Log Buffer #195, A Carnival of The Vanities for DBAs

A short post marks Pythian’s 195th edition of Log Buffer, a blog of blogs encapsulating what’s going on in the world of database administration.

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Log Buffer #194, A Carnival of The Vanities for DBAs

We’re well into summer and almost at our 200th edition of Log Buffer, a blog of blogs about the database world.

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Pythian Implements Oracle Exadata at LinkShare Corporation

The Pythian Group Inc., the preeminent remote database infrastructure services company and a Platinum member of the Oracle PartnerNetwork (OPN) today announced the implementation of the Sun Oracle Database Machine at LinkShare Corporation, a division of Rakuten, Inc, and launch of its Oracle Exadata services practice.

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A grand tour of Oracle Exadata, Part 1

In this series of articles (part 2 here and part 3 here), we’ll explore the major components of Exadata and the Oracle Database Machine and take a peek at how they’re designed with performance and scalability in mind.

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Log Buffer #193 – A Carnival of The Vanities for DBAs

Welcome to Log Buffer, the weekly roundup of DBA industry happenings.

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