Performance Testing Basics
Performance Testing is a crucial non-functional testing technique focused on evaluating the behavior of systems under various workloads to ensure efficiency and reliability. It encompasses different testing types like Load Testing, Stress Testing, and Spike Testing, each targeting specific performance aspects. Tools like Apache JMeter facilitate the execution of these tests, allowing testers to analyze response times, throughput, and error rates effectively.
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What we have learnt
- Performance Testing helps to identify bottlenecks before deployment.
- It is essential for validating system scalability and compliance with service level agreements.
- Key performance metrics include response time, throughput, error rate, and latency.
Key Concepts
- -- Load Testing
- Evaluates system behavior under expected user loads to ensure performance remains stable.
- -- Stress Testing
- Assesses how the system behaves under extreme conditions, beyond its normal capacity.
- -- Spike Testing
- Tests the ability of a system to handle sudden bursts of traffic and monitors recovery performance.
- -- Apache JMeter
- An open-source tool used for performance measurement and load testing for various protocols.
- -- Response Time
- The time taken for a server to respond to a request.
- -- Throughput
- The number of requests that can be processed per second.
- -- Error Rate
- The percentage of failed requests encountered during testing.
- -- Latency
- The time delay before a transfer of data begins following an instruction.
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