From Distributed Tracing to APM: Taking OpenTelemetry & Jaeger Up a Level

Jaeger and OpenTelemetry, both part of the Cloud Native Computing Foundation, are prominent open-source tools for distributed tracing and telemetry data standardization, widely used to monitor microservices' performance. While Jaeger enables engineers to analyze individual traces for understanding latency issues, it lacks comprehensive service-level performance metrics, which the introduction of Aggregated Trace Metrics (ATMs) aims to address. By enhancing OpenTelemetry with a Span Metrics Processor, ATMs aggregate request, error, and duration (R.E.D.) metrics from trace data, allowing engineers to visualize these metrics with OpenTelemetry-compatible backends like Prometheus and Grafana. This open-source advancement is set to transform Jaeger into a more robust application performance monitoring tool by integrating ATMs directly into its UI, thus enabling a more holistic analysis of system behavior. The development encourages community engagement and contributions to further enhance observability capabilities, reflecting the positive reception from users eager to see its full potential realized.

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