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

This Recommendation identifies EC2 instances that should be rightsized to optimize cost and performance.

What it does

• Identifies EC2 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 instances to match actual resource utilization
• Review CPU, memory, and network utilization metrics
• Test performance after rightsizing to ensure application requirements are met
• Consider using CloudWatch metrics to validate rightsizing recommendations