Category Archives: Systems Performance Engineering

The Value and ROI Of Performance Modelling

What Is Performance Modelling – Performance Modelling is the science of using analytical, statistical or simulation modelling techniques to build models that are able to…

Updates To SPE Advocacy at PPA

Advocacy as you know is defined as, “Public support for or recommendation of a particular cause or policy”. But Advocacy here at Practical Performance Analyst…

Correlation Doesn’t Imply Causality

Working on performance of systems requires us to gather different types of data and work with different types of data most of the time. Depending…

So What Does Performance Mean To You ?

Performance means different things to different people. My personal experience over the last decade and a half, working with Architects, Developers, Testers and Managers tells…

Capacity Planning For Tough Times

There are two situations where you create capacity plans that assume you have less computing resources than you have now: disaster recovery and budget cutting. In both…

Applications Have A Usage Volume – Part II

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…

So You Want To Be A Performance Engineer ?

Introduction – Over the last couple of years as Practical Performance Analyst grew beyond into a community platform and Open BoK (Body Of Knowledge) I’ve…

Application Monitoring : Comparing Options

What happens when mission critical Java applications slow down or keep crashing in production? The vast majority of IT Operations (Ops) today bury their heads…

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