Predictions for 2014: DataBase-as-a-Service

It's that time of year again where lots of people write articles which begin with the words "It's that time of year again..." and make endless references to crystal balls, tea leaves and the benefits of hindsight. But not me, I'm not descending into cliché. Apart from that first sentence, which with the benefit of … Continue reading Predictions for 2014: DataBase-as-a-Service →

Database Workload Theory

Before you can benchmark or optimise a database, you need a model of what a database workload actually is. Here's the theoretical foundation – and why it matters more than most DBAs realise.

Database Consolidation Part 4 – Flash Memory Makes The Difference

Flash memory changes the consolidation equation – here's how it addresses the I/O bottleneck that historically made high-density database consolidation impractical.

Database Consolidation Part 3 – It’s All About Capacity

Consolidating databases onto shared infrastructure only works if you understand the capacity model – including the art and risk of overcommitting resources.

Database Consolidation Part 2 – Shared Infrastructure Design Choices

Once you've decided to consolidate, the next question is where shared infrastructure should diverge. This post examines the key architectural design choices and their trade-offs.

Database Consolidation Part 1 – Business Drivers and Technical Challenges

Database consolidation means more than moving databases onto bigger iron – it means turning them into managed services. Here are the business drivers and technical obstacles that define the journey.