Serverless Cold Starts: The Price of 'Pay-per-Use'
A serverless cold start is the initial delay when a function boots from scratch, like waking a computer from being off versus asleep. It happens on the first request or after inactivity.
A serverless cold start is the latency penalty paid when a function is invoked for the first time or after being idle. The provider must provision a container, load code, and initialize the runtime before execution. This is inherent to consumption-based models that scale to zero to save costs, impacting user-facing APIs. The footgun is ignoring this latency in sensitive systems, leading to a poor user experience on the first request.
Read the original → azure.microsoft.com
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