Observability has become a critical aspect of understanding system performance, identifying issues, and ensuring seamless user experiences. Highlight.io is an open-source observability platform that utilizes ClickHouse for data storage and retrieval, providing developers with insights ranging from user button clicks in the frontend to backend errors and infrastructure analysis. With just a few lines of code, developers can integrate Highlight.io into their systems, gaining access to real-time information and streamlining the troubleshooting process. As Highlight.io continues to evolve, it has added logging capabilities powered by ClickHouse, enabling deeper insights into applications by capturing and analyzing server-side logs. The platform's integration with ClickHouse allows for high data ingestion rates, ensuring developers can access up-to-date information in real-time, while also providing superior performance and lower data storage costs. Highlight.io has chosen ClickHouse due to its exceptional performance, real-time analytics features, and versatile deployment options, making it an ideal solution for delivering a robust and scalable observability solution.