Category Archives: Systems Performance Engineering

Do Applications Have Performance DNA ? – Part I

About This Series – This series of articles is a how-to manual on applying performance modelling techniques without any needless discussion of internals or mathematics (with…

Highlights Of Velocity 2014

To those of you who couldn’t make it to Velocity 2014, here’s a list of must see talks recorded live at the event. Scott Hanselman’s keynote…

Howto Meter A Short Duration Problem

Some performance problems come and go in a minute or two. Depending on the industry, the company goals, and the expectations of the users, these…

Video Of The Week – Your Script Just Killed My Site

Building  high performance web systems (web applications including the underlying infrastructure, storage, networks, etc.) that meet the documented Non Functional Requirements is tough job by…

Understanding Resources

Introduction – Performance is primarily about resource (e.g., processors, memory, I/O) usage. So understanding what the resources of interest are is a good first step….

The Reason We Made Method R

Twenty years ago (well, a month or so more than that), I entered the Oracle ecosystem. I went to work as a consultant for Oracle…

Building Systems That Perform : Application Awareness

Dr. Leonid Grinshpan (LinkedIn) is currently Technical Director at Oracle with a focus on Enterprise applications capacity planning, load testing, modelling, performance analysis, and tuning. Leonid has…

Writing High Performing Code

Over the years I’ve asked myself the question numerous times, “How do you produce code that performs well both from a business and IT perspective”….

Load Tests : Setting The Goals

A load test either achieves a certain goal, or it dies trying.  If your computing world crumbles half way to that goal, then your performance…

The Butterfly Effect in IT

The “Butterfly Effect” theoretically describes a hurricane’s formation being contingent on whether or not a distant butterfly had flapped its wings weeks before. This highlights…

Are You Really Out Of Memory – Part II

In this series of articles Nikita Salnikov-Tarnovski (LinkedIn), the co-founder of Plumbr discusses the performance and stability issues in Enterprise Java applications due to memory leaks. Nikita goes on…

Application Of Performance Modeling Techniques

What is Performance Modeling – Performance Modeling is the process of modeling application performance considering various growth factors with the objective of proactively predicting potential…

Are You Really Out Of Memory

Introduction – So it’s just another day at work. You start your day by receiving another call from the operations team saying they now have…

How To Collect Workload Data With Performance Meters

Many performance meters in your computing world will tell you how busy things are. That’s nice, but to make sense of that data, you also need to know how much work the system is…

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