<ul><li>A warm-up function is a timer-triggered Azure Function that periodically pings your other functions or their dependencies to prevent 'cold starts'.</li><li>Cold starts in Azure Functions can cause delays for users as the function needs to spin up a new instance, load the application code, initialize dependencies, and establish connections.</li><li>Implementing a warm-up function can lead to improved response times, predictable behavior, and monitoring opportunities.</li><li>Consider using a warm-up function when you have critical business functions, response time is crucial, cold starts are causing issues, and usage patterns are predictable.</li></ul>

Keep Your Azure Functions Warm: A Cost-Benefit Analysis

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