Optimizing queries in arewefastyet

Arewefastyet is an automatic benchmarking tool that runs daily micro and macro benchmarks to monitor Vitess performance. It utilizes PlanetScale's Insights tool for database monitoring, which provides detailed query-level insights. By leveraging Insights, Arewefastyet was able to detect slow queries and improve their performance by 85% through the addition of indexes. The tool allows users to easily identify problematic queries, debug issues, and make data-driven improvements in a timely manner.