Which AWS service or tool provides recommendations to help users get rightsized Amazon EC2 instances based on historical workload usage data?
AWS Pricing Calculator
AWS Compute Optimizer
AWS App Runner
AWS Systems Manager
Explanations:
AWS Pricing Calculator helps estimate costs for services, not for rightsizing EC2 instances.
AWS Compute Optimizer provides recommendations for rightsizing EC2 instances based on historical workload data.
AWS App Runner is a platform for running web applications and APIs, not related to EC2 rightsizing.
AWS Systems Manager provides operational insights and automation for managing EC2 instances, but not specifically for rightsizing.
As I recall, the answer is:
AWS Compute Optimizer