Tag: Oracle

Log Buffer #197, A Carnival of the Vanities for DBAs

Log Buffer #197 marks the middle of summer, and the fact that we’re a mere two weeks away from our 200th edition.

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Implementing Exadata Webinar

I’ll be giving a webinar about Exadata implementation, where I’ll be talking about Exadata features and how best to use them. I’ll also be sharing some lessons learned from my own implementation experience. The webinar will be on Wednesday August 11 at high noon eastern time. Note that this is a change from the previous date.

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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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