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If you manage Oracle on Windows, you probably have wondered why it is so difficult to work out what Oracle instances are running and which ORACLE_HOMEs they use. On Unix or Linux, this is a very simple task. Oracle services and their ORACLE_HOMEs are listed in the oratab file, located in /etc/ on most platforms,…
One of the biggest selling features of Oracle’s flagship engineered system – Exadata – is the storage offloading capabilities. Storage offloading allows data to be filtered as soon as it is read from storage, reducing amount of data that database hosts need to process. The storage layer is a shared-nothing MPP architecture, and in theory…
A blog post is a composition in an informal verse, usually characterized by the sharing of ideas, experiences, and opinionated news. This vivid explanation of valuable ramblings about the database technologies is what makes this Log Buffer Edition again.
Someone just asked at Pythian’s internal forum the following question: “The team here is evaluating DB load testing tools (Hammerdb, Orion, SLOB, and Swingbench) and was wondering about our experience in using different tools and what is our opinion?” I have experience using some the tools mentioned. Therefore decided to answer using this public blog…
To be precise I wonder if OUTERmost tracks of a spinning HDD are faster than INNERmost tracks? Should we put physical IO performance secretive data to OUTERmost parts of the disk and less critical data to INNERmost parts as several vendors suggests? Well I didn’t find a better solution than grab all HDDs I have had and start testing :)
Amazon Web Services has offered Relational Database Service as part of their cloud offering since 2011. These days, RDS provides easy to deploy, on-demand database-as-a-service for MySQL, Oracle and SQL Server. When you compare it to essentially any other method of hosting and licensing Oracle, RDS seems to have a variety of really appealing qualities: With…
The onslaught of the blogs is hard to ignore and underestimate. It is the blogging which has become part of the technologists everywhere including the database professionals and evangelists. This Log Buffer Edition appreciates that and consists of blogs from Oracle, SQL Server and MySQL.
When I heard that Intel announced their own Hadoop distribution, my first thought was “Why would they do that?”. This blog post is an attempt to explore why would anyone need their own Hadoop distribution, what can Intel gain by having their own and who is likely to adopt’s Intel’s distribution. Why does anyone need…
Log Buffer’s collection of blogs from across the world of various databases is all about nifty features, cool tricks, pragmatic tips, real world war stories, and much more.
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