Supercharging Observability with ClickHouse and AI - Qonto
Javier Ortiz
Qonto serves 600,000+ small businesses across Europe — and when something goes wrong at 3am, you want answers fast. Javier Ortiz, Tech Lead SRE Observability at Qonto, walks through how his team built an AI-powered incident companion on top of ClickHouse that lets any engineer investigate problems in plain English, without needing to know SQL.
- Replacing Grafana Tempo with ClickHouse Cloud for traces, logs, and events
- How cardinality went from "a scary word" to something they actively embrace
- 99.84% compression on trace metadata — 231 TB down to 376 GB
- Wiring up the ClickHouse MCP server for natural language incident investigation
- Democratizing observability across the whole company, not just the SRE team
For more, read the blog post.
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