In this session, I will share my journey benchmarking various PostgreSQL-compatible databases using HammerDB, a leading open-source performance testing tool. Through real-world experiences, we'll explore recommended practices for setting up and conducting benchmarks, navigating common challenges, and interpreting key performance metrics. I'll highlight successes, lessons learned, and actionable insights to help you optimize your database environments effectively. Whether you're a DBA, developer, or systems engineer, this presentation will provide valuable guidance to improve benchmarking processes and drive better outcomes for your PostgreSQL-compatible databases.