I wrote an internal EMC memo on licensing issues with Oracle on VMware as I get a lot of questions on this topic. But I’d like to expand the question a bit. After all, my blog is named “Dirty Cache”…
An IT infrastructure perspective on optimizing business applications
I wrote an internal EMC memo on licensing issues with Oracle on VMware as I get a lot of questions on this topic. But I’d like to expand the question a bit. After all, my blog is named “Dirty Cache”…
In my last post, I gave a highly simplified representation of “The I/O stack” of a database. In reality, it’s much more complex. I found an old picture where the whole I/O stack of a database was described and I…
When dealing with application performance problems, the quick and easy solution is often to throw hardware at the problem. Typically this is one out of processing power (CPU), memory, or more I/O resources. With a bit of luck, the bottleneck…
Every now and then I get involved in Customer Proof of Concepts. A Proof of Concept (POC) is, according to Wikipedia, something like a demonstration of feasibility of a certain idea, concept or theory.
One request I got back after my series on Oracle RAC stretched clusters is if I could summarize again why anybody would choose VPLEX for storage replication over other solutions. My attempt was to describe the principles of VPLEX in…