Difference between performance testing and engineering

Question

Accepted Answer

Performance testing measures system performance, while engineering involves designing and optimizing systems for performance.

Performance testing involves testing the system under various loads and conditions to identify bottlenecks and areas for improvement.
Performance engineering involves designing and optimizing systems for performance, including selecting appropriate hardware and software components and optimizing code.
Performance testing is reactive, while performance engineering is proactive.
Examples of performance testing tools include LoadRunner and JMeter, while examples of performance engineering tools include profiling tools like VisualVM and YourKit.
Performance testing is a subset of performance engineering.

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