SIGNALInfrastructure Software·Jun 23, 2026, 11:00 AMSignal65Short term

Building Jaeger’s ClickHouse backend: 8.6× compression on 10 million spans

Building Jaeger’s ClickHouse backend: 8.6× compression on 10 million spans

As someone who’s been maintaining Jaeger, I’ve watched users request ClickHouse support consistently over the past few years. With Jaeger v2.18.0, we’ve finally delivered it. What excites me most isn’t just that ClickHouse is available—it’s that its architecture is...

Why this matters
Why now

The increasing scale and complexity of cloud-native systems demand more efficient and cost-effective data storage and analytical solutions, a problem ClickHouse is designed to address.

Why it’s important

This development indicates a continued trend towards specialized, high-performance database solutions for managing observability data in distributed systems, offering significant operational benefits.

What changes

Cloud-native applications can now leverage ClickHouse for Jaeger's backend, potentially leading to better performance and reduced storage costs for trace data compared to previous options.

Winners
  • · Cloud-native developers
  • · Observability platforms
  • · ClickHouse ecosystem
  • · Organizations with large distributed systems
Losers
  • · Traditional backend databases less optimized for large-scale telemetry
Second-order effects
Direct

Jaeger users can now implement ClickHouse as a highly efficient backend for storing vast amounts of trace data.

Second

The wider availability of performant, cost-effective data backends for observability could accelerate the adoption of advanced distributed tracing in complex cloud environments.

Third

Improved observability efficiency might free up resources or enable new insights, indirectly supporting the development of more complex AI/ML systems through better infrastructure understanding.

Editorial confidence: 90 / 100 · Structural impact: 40 / 100
Original report

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