This AWS re:Invent 2023 session explores advanced performance monitoring and diagnostics for Amazon RDS and Amazon Aurora databases. Presenters Pini Dibask and Maxym Kharchenko demonstrate how to leverage AWS tools like CloudWatch, Enhanced Monitoring, and Performance Insights to identify and resolve database performance bottlenecks. They showcase new features such as exporting Performance Insights metrics to CloudWatch for proactive alerting and using machine learning-powered analysis to detect anomalies. The session includes a real-world example of troubleshooting performance issues in an online web store, illustrating practical steps to diagnose and remediate database problems. Attendees learn how to make data-driven decisions for database optimization and gain insights into the latest AWS innovations for simplifying complex performance challenges.