Amazon CloudWatch Database Insights applied in real scenarios

This article provides a comprehensive guide to using Amazon CloudWatch Database Insights, a powerful observability tool for troubleshooting database performance issues across Amazon RDS and Aurora database instances.

• CloudWatch Database Insights helps identify and resolve database performance problems
• Offers Advanced Mode with features like execution plan analysis, query statistics, and fleet-wide monitoring
• Demonstrates three real-world troubleshooting scenarios:
  • Query performance issue due to missing index
  • Storage capacity limitations during database migration
  • Out-of-memory (OOM) issues causing database restarts
• Provides detailed walkthrough of using Fleet Health Dashboard, Database Instance view, and Database Telemetry
• Helps identify root causes of performance problems through comprehensive metrics and event analysis

The tool enables database administrators to quickly diagnose and resolve performance issues, optimize database workloads, and maintain system stability.