Best of OpenTelemetry — March 2025

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   Article

   Coralogix·1y

   Istio Zero-Code Instrumentation

   Traces in Istio environments often appear broken because of inadequate context propagation, leading to fragmented spans. Traditionally, fixing this requires manually adding header propagation in each service, which is impractical for large systems. OpenTelemetry's zero-code instrumentation offers a solution by automatically injecting tracing libraries and ensuring proper trace context propagation without modifying application code. This approach provides complete end-to-end tracing, enabling deeper observability across services with minimal developer effort.

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2. 2
   Article

   Grafana Labs·1y

   Grafana Drilldown: first-class OpenTelemetry support now available for metrics

   Grafana Labs has added first-class support for OpenTelemetry in its Metrics Drilldown tool. This integration allows users to seamlessly explore and filter metrics using OpenTelemetry resource attributes alongside Prometheus labels. The new features include automatic query writing, context-aware filtering, and a consolidated interface, significantly simplifying the process of gaining insights into distributed system performance.

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3. 3
   Article

   Milan Jovanović·1y

   Better Request Tracing with User Context in ASP.NET Core

   Adding user context to request tracing in ASP.NET Core enhances troubleshooting, performance monitoring, and user behavior analysis. The post explains how to implement middleware that enriches logs with user IDs, improving the ability to track user journeys and quickly identify issues. It also discusses handling PII concerns and suggests expanding context enrichment with feature flags and tenant information.

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