An IT infrastructure perspective on optimizing business applications
Even in these modern times, when lots of things are changing in the ICT world, some lessons from the past still hold true. Previously, I discussed the I/O stack in a typical database environment. As virtualization has complicated things a…
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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…
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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…
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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. 728 total views
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Maybe you have heard the story of the Monkey Experiment. It is about an experiment with a bunch of monkeys in a cage, a ladder, and a banana. At a certain point one of the monkeys sees the banana hanging…
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