How Jaeger hit 8.6× compression on 10 million spans with ClickHouse

TL;DR AI
2 min readKey summary
Jaeger v2.18.0 now supports ClickHouse as a native storage backend for distributed tracing.
The update shows why columnar storage works well for trace data, with an 8.6× compression result on spans.
It also details schema decisions aimed at faster trace lookup and service performance analytics.
For large-scale microservices monitoring, this could mean better query speed, lower storage cost, and built-in health insights.
