Why it is Incorrect to use Average Block Size for Storage Performance Benchmarking

Just a quick post to address something many people either get wrong or just live with due to convenience.

In summary: Please, let’s stop using average I/O sizes to characterize storage system performance. It’s wrong and doesn’t describe how the real world works. Using an average number is as bad as using small block 100% read numbers shown in vanity benchmarks. Neither is representative of real life.

Using a single I/O size for benchmarking became a practice for a vanity benchmark and to provide a level playing field to compare multiple products.

But, ultimately, even though the goal of comparing different systems is desirable, using a single I/O size is fundamentally flawed.

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InfoSight: How Nimble Customers Benefit from AI and Big Data Predictive Analytics

In past articles I have covered topics about how Nimble Storage lowers customer risk with technologies internal to the array such as:

Now, it’s time to write a more in-depth article about the immense customer benefits of InfoSight, Nimble’s Predictive Analytics platform.

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Going Green: Why I Joined Nimble Storage

I am proud to announce that, as of today, I am a member of the Nimble Storage team.

Nimble Logo

This marks the end of an era – I spent quite a bit of time at NetApp: learned a lot, did a lot – by the end I had my hands in all kinds of sausage making… 🙂

I wish my friends at NetApp the best of luck for the future. The storage industry is a very tough arena, and one that will be increasingly harder and with less tolerance than ever before.

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