Serverless Computing: Key Advantages and Limitations Developers Should Know

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Serverless computing lets developers deploy functions without managing infrastructure, with cloud providers handling scaling, patching, and availability automatically. It is well-suited for event-driven tasks, variable-traffic APIs, and small teams that want to ship features quickly without server maintenance overhead. However, execution time limits — such as AWS Lambda's 15-minute maximum — can make it unsuitable for long-running or compute-heavy workloads. Cold start latency of 100–500ms can degrade performance for user-facing applications, and high-volume steady traffic may prove costlier than running a dedicated virtual machine. Debugging is also more complex, as ephemeral environments require reliance on logging and distributed tracing tools rather than direct server access.

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