In this talk, Barrett Chambers from Percona delves into the crucial topic of database observability. He highlights the essential aspects of database performance, including query execution, relationships, and durability. With a focus on MySQL and Postgres databases, he introduces the powerful open-source tool, Percona Monitoring and Management (PMM), which aids in identifying slow queries and resource usage. Discover how to optimize your database's efficiency and gain valuable insights to improve overall performance.