How to Load Test an LLM API with Gatling

Load testing is crucial when building applications with large language models (LLMs) to ensure they can handle varying demand levels and maintain performance under different conditions. This approach helps identify potential bottlenecks and areas for improvement, ensuring the application remains reliable and responsive. Gatling, an open-source performance-testing framework, can be used to load test javascript web applications and LLM APIs like RAG apps powered by vector databases like Milvus. Load testing involves capacity tests, stress tests, and soak tests to evaluate the system's behavior under specific load conditions, identify bottlenecks, and improve performance, load, and response times.

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