Implement custom business metrics with OpenTelemetry counters, histograms, and gauges in .NET, Node.js, and Python. Learn instrument selection, cardinality optimization, Azure Monitor querying with KQL, and building actionable dashboards for production observability.
Tag: Custom Metrics
OpenTelemetry for Node.js with Azure Monitor: Complete Implementation Guide
Learn how to implement OpenTelemetry instrumentation for Node.js applications with Azure Monitor. Complete guide covering Express and Fastify frameworks, automatic instrumentation, custom spans, custom metrics, production configuration, and migration from legacy Application Insights SDK.
