What’s perf. eng.?

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Performance engineering is a process where systems are built and maintained to meet criteria defined by their users. Unlike many systems-based processes, the non-technical aspect of the business creates the benchmarks against which the system is tested. It’s the technology team’s job to work toward achieving these goals in a timely manner. The overall goal of performance engineering is to create a lean and responsive computer system that facilitates workers and increases productivity.

Almost all businesses have one overarching goal: to make money. Performance engineering fits well with this objective, simplifying systems and increasing productivity. This is accomplished in a variety of ways, most notably by reducing wait times for information and creating reliable, easy-to-use systems that reduce training, maintenance and downtime. While many of the changes created by these processes are small, together they can add up to a huge improvement.

In most cases, the first step of a performance engineering plan is undertaken by the business side of the company. During this initial phase, issues are identified from the user’s point of view. Often these issues have non-technical definitions such as ‘speeding up’ a process or ‘getting the new version’ of a program. The opening of these specifications allows for the maneuvering room used later.

This complete list of requests and ideas goes to the technical team responsible for the other side of the performance engineering process. The team will look at requests and figure out how to translate them into specific tasks. For example, if a common process is deemed “too slow” by the initial planning, the technology team will examine the process to see how it is currently working. It may be possible to reduce the physical transmission distance, increase the function’s priority, or even configure a new secondary system to handle this particular request.

This is where the non-technical part of performance engineering can work well for everyone. The non-technical team wants an effect but doesn’t care what happens. This leaves the technical side to work within current guidelines and budgets however they see fit. As long as the ultimate goal is achieved, everyone will be happy.

The next common step in performance engineering is testing. The technical team determines the best possible methods to improve the system, maintenance schedules and upgrade procedures. When multiple options are available, engineers test the feasibility of each change in a closed environment. Because business systems are often exceptionally complex, small changes in one area can have unexpected results in another. Once testing is complete, changes are moved to live systems and work schedules and the process starts again.

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