This guide shows you how to collect and draw query traces with self-managed ClickHouse using either built-in methods or using Grafana. This is particularly useful when you're working with complex queries and need to understand the internal execution mechanics beyond what EXPLAIN provides.

A HAR (HTTP Archive) file captures the network activity in your browser. It can help our support team diagnose slow page loads, failed requests, or other network issues.

Learn how to profile ClickHouse using LLVM's XRay instrumentation profiler, visualize traces, and analyze performance.

Example of mapping Windows Active Directory security groups to ClickHouse roles

Commands to build LLVM and clang on Linux.

Learn how to start, stop, and resume a ClickHouse Cloud service using API endpoints and cURL commands.

Learn about automatic schema migration tools for ClickHouse and how to manage changing database schemas over time.

Learn how to install and test ClickHouse on Windows 10 using WSL 2. Includes setup, troubleshooting, and running a test environment.

Learn how to quickly recreate a small table and its data across different terminals using copy/paste for development environments.