Load testing: not just scripts and a click on “Run”

▤ Summary

This article explains that load testing is a structured performance discipline, not just running a script and clicking start. It breaks down different test types such as load, stress, endurance, scalability, failover, and recovery testing, and shows how each one answers a different system question. It also compares common tools like JMeter, Locust, Gatling, and k6, and highlights the importance of planning metrics, environment setup, and bottleneck analysis. The piece emphasizes monitoring both app-side and server-side signals such as response times, CPU, memory, error rates, and throughput. It closes with practical guidance on what to prepare before testing, including observability, CI/CD integration, and reporting.

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