Performance Testing is performed to evaluate the performance of components of a particular system in a specific situation. It very wide term.
It includes: Load Testing, Stress Testing, capacity testing, volume testing, endurance testing, spike testing, scalability testing and reliability testing etc.
This type of testing generally does not give pass or fail.
It is basically done to set the benchmark & standard of the application against Concurrency / Throughput, Server response time, Latency, Render response time etc.
In other words, you can say it is technical & formal evaluation for responsiveness, speed, scalability and stability characteristics.
What are key benefits of Performance Testing?
1. Quick functional flows matters :
Every end user of Software expects that his each and every transaction should be completed very quickly, or in very less time. Performance Testing plays crucial role in the same.
2. Capacity Management :
Performance test gives inputs on if hardware or production configuration needs improvement before new software released on Live environment.
3. Health Checkup :
Performance test help to check health of any software, and gives inputs for additional fine tuning.
4. Quality Assurance :
Performance test also inspects quality of code written in development life cycle. It is crucial part to identify if development team needs special training etc to make more fine tuned code.
5. Business Needs Ferrari results :
Finally if business has invested lots of investment in development of code and system/integration testing phases, if the software will not able to perform on Live environment as expected speed, scalability and stability - it can lead into poor impression or loss of resources. You can imagine if someone ordered Ferrari and got Buffalo Cart when its delivered!
Performance testing is crucial and important step in business Software Development or Enhancement life cycles.
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