A practical introduction to Apache JMeter for load testing web applications. Covers core concepts including thread groups, samplers, logic controllers, listeners, and advanced elements like test fragments and configurations. Walks through creating a test plan by recording browser interactions via JMeter's proxy, editing recorded samplers to handle dynamic requests and varying credentials using CSV data sets, grouping samplers with transaction controllers, and composing reusable test fragments. Also covers benchmarking best practices such as increasing JVM heap space and configuring JMeter to behave like a real browser by fetching embedded resources in parallel.
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