Shift from Performance Testing to Performance Engineering

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Performance Engineering is a technique used during an SDLC lifecycle to ensure the non-functional performance requirements are met. It detects the performance defects during development phase itself.

Performance Engineering is a technique used during an SDLC lifecycle to ensure the non-functional performance requirements are met. It detects the performance defects during development phase itself.

Performance Testing:

Performance Testing is used to ensure that software applications will perform well under their expected workload. Features and functionality supported by a software system is not the only concern, but it is used to check the response time, reliability, resource usage and scalability of an application. The performance testing starts once the development is complete.

Performance Engineering:

The crash of an application for a few minutes can cause a loss of thousands or millions of dollars. With a continuous integration and continuous deployment of application changes,  performance engineers must test regularly to ensure the quality and stability of every additional integration phase. It starts early in the development phase.

The benefits of Performance Engineering:

  • It eliminates the need of doing major redesign of the application in later development cycles.
  • It is used to find issues early in the development phase and avoids the cost of testing and saves time.

Advantages of Performance Engineering over Performance Testing:

  • Increased revenue & profit
  • Improved quality
  • Good customer satisfaction
  • Reduced cost
  • Early finding of performance related defects.
  • Reduced software maintenance cost

Case Study:

ABC company is following the performance testing process. It starts after the completion of the development phase. If any performance issues arise  during testing, the dev teams fix the problem. Now, the functional testing should take place and then performance testing should take place. So, the utilization of resources gets doubled. Also, the product can’t be delivered on time.

ABC company is following Performance Engineering process. The performance Engineering starts at the initial phase of SDLC. It reduces the need to rework of the application in later development cycles, and it results in an application that performs better because of considering performance at an early stage of the design. So, the customer satisfaction also increases because of reduction of cost, time and the early detection of performance issues.

Conclusion:

Performance Engineering provides a systematic, cost-effective approach to manage system’s performance. Use of performance engineering can reduce project costs and eliminate project failures due to performance problems. It can also improve your level of service to customers and reduce business costs.

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