Tools / Datadog Interview questions
What is Datadog Serverless Monitoring?
Serverless Monitoring extends Datadog's metrics, traces, and logs to serverless functions - most commonly AWS Lambda, but also Azure Functions and Google Cloud Functions - where there's no host to install a traditional Agent on.
It's typically enabled via a Lambda layer/extension (or the Datadog Forwarder) that runs alongside the function, capturing invocation metrics, cold start duration, and traces with minimal added latency to the function itself.
Because serverless functions are short-lived and billed per invocation, this monitoring specifically surfaces serverless-relevant signals like cold starts, timeouts, and throttles that don't apply the same way to a long-running host.
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