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Prerequisites: To use this check, you must opt in to Cost Optimization Hub and AWS Compute Optimizer.

This Recommendation identifies RDS instances that should be rightsized to optimize cost and performance.

What it does

• Identifies RDS instances that are over-provisioned or under-provisioned
• Provides estimated cost savings from rightsizing instances
• Uses AWS Trusted Advisor recommendations to identify optimal rightsizing targets

Recommended actions

• Rightsize RDS instances to match actual resource utilization
• Review CPU, memory, and I/O utilization metrics
• Consider performance requirements when rightsizing
• Test application performance after rightsizing to ensure requirements are met
• Monitor database performance metrics during and after rightsizing