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Performance Engineering is an umbrella term for different methods, technologies, and people that are all engaged throughout a software development life cycle to verify compliance with the performance criteria. Building a product with quality in mind not only improves product performance but also helps build a strong reputation and loyal customer base in the long run. In performance engineering, a set of different tests is applied to eliminate bottlenecks and see how the software performs in particular scenarios that are most likely to occur in the post-production stage.