Monitor Azure Functions across every hosting plan with Datadog

Datadog has expanded observability for Microsoft Azure Functions to address visibility challenges across different runtimes and hosting plans, where traditional agent- or extension-based telemetry collection is not always available. Its Serverless Compatibility Layer supports .NET, Python, Node.js, and Java applications on Linux or Windows, collecting and batching telemetry directly alongside function code. Datadog APM provides distributed tracing across functions, HTTP services, databases, Azure Service Bus, Azure Event Hubs, and Cosmos DB, while linking backend traces to Real User Monitoring sessions and Session Replay for frontend-to-backend investigation. Enhanced CPU metrics sample function usage every second and publish data every 10 seconds, improving detection of brief spikes and enabling proactive alerts. Continuous Profiler, currently in preview for Python and Node.js Azure Functions, captures call stacks and presents flame graphs to help teams identify code paths responsible for CPU or I/O overhead.

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