Jaeger

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First Added:June 12, 2026 Updated: July 2, 2026

Jaeger. Is an open source distributed tracing backend and UI, originally from Uber and now a CNCF graduated project.

Blurb

Monitor and troubleshoot workflows in complex distributed systems

Summary

What it is: Collectors, storage (Cassandra, Elasticsearch, Badger, etc.), query service, and Jaeger UI for trace search.

When to use: Need self-hosted tracing without Tempo; existing Jaeger instrumentation or OTel pipelines.

When to skip: Grafana-all-in-one stack already standardized on Tempo. SaaS trace analytics (Honeycomb, Datadog).

Key features: Service dependency graphs, adaptive sampling, OTLP ingest, operator deployment on Kubernetes.

Details

TopicNotes
PairingInstrument with OpenTelemetry SDKs; export OTLP to Jaeger collectors
StoragePlan retention and index backend cost for high-QPS services

References