Database Consolidation Part 2 – Shared Infrastructure Design Choices

Part one was all about the business drivers and technical challenges faced when building a database consolidation platform. Database consolidation is all about sharing infrastructure, so part two is about the design choices that are available... An important architectural decision when consolidating databases is that of where the shared infrastructure should diverge. If we assume … Continue reading Database Consolidation Part 2 – Shared Infrastructure Design Choices

Database Consolidation Part 1 – Business Drivers and Technical Challenges

Database consolidation has been a big trend in the industry for a while now. You can see this if you read the IT press, or if you listen to the relentless procession of people queueing up to talk about the "cloud". I saw it in my time at Oracle, where we had an increasing number … Continue reading Database Consolidation Part 1 – Business Drivers and Technical Challenges

SLOB on Violin 3000 Series with PCIe Direct Attach

A reader Alex asked if I could post a comparative set of tests from my previous 3000 series Infiniband testing but using the PCIe direct-attached method. I was actually very keen to test this myself as I wanted to see how close the Infiniband connectivity method could get to the PCIe latencies. Why? Well, PCIe … Continue reading SLOB on Violin 3000 Series with PCIe Direct Attach

SLOB on Violin 3000 Series with Infiniband

Last week I invited Martin Bach to the Violin Memory EMEA headquarters to do some testing on both our 3000 and 6000 series arrays. Martin was very interested in seeing how the Violin flash memory arrays performed, having already had some experience with PCIe-based flash card vendor. There are a few problems with PCIe flash … Continue reading SLOB on Violin 3000 Series with Infiniband

Oracle minimises the Exadata minimal pack

As of Exadata Storage Software version 11.2.3.1 released in March 2012 the "minimal pack" has now been deprecated. This is a component of the storage server software patch which is actually applied to the database servers in order to bring them up to the same image version. Those who have been patching Exadata for a … Continue reading Oracle minimises the Exadata minimal pack