What's changed: In-scope coverage: added compute placement (Elastic Beanstalk/Outposts/VMware Cloud on AWS/Wavelength/Serverless Application Repository/ECS Anywhere/EKS Anywhere/EKS Distro), cost visibility (Cost and Usage Report/Compute Optimizer/License Manager), and management/governance (CloudFormation/Service Catalog/Control Tower/Systems Manager/CloudWatch/X-Ray/Managed Grafana/Managed Service for Prometheus/Health Dashboard/Well-Architected Tool/Management Console) across sections
4.3Cost Management Tools and Right-Sizing
Understand cost visibility, management, and recommendations via Cost Explorer, AWS Budgets, and Trusted Advisor, plus right-sizing resources.
Optimize cost in a cycle: visualize → manage with budgets → improve via recommendations. AWS provides tools for each.
4.3.1Cost management tools
- Cost Explorer: visualize/analyze past cost—trends and breakdowns by service/tag.
- AWS Budgets: set budgets with threshold alerts for actual or forecasted overruns.
- Trusted Advisor: recommendations across cost, security, performance, fault tolerance, and limits (e.g., idle resources).
- Cost allocation tags: tag resources to allocate/analyze cost by team/project.
- Right-sizing: pick the smallest resource that meets the requirement, avoiding over-provisioning.
Optimize cost in a cycle: visualize → manage with budgets → improve via recommendations → right-size. First, use Cost Explorer to see "what costs how much" (break down by tag/team); set budgets and threshold alerts in AWS Budgets to catch overruns early; follow Trusted Advisor recommendations (idle instances, oversized volumes) to cut waste. Finish with right-sizing—stop "oversize just in case" and match the smallest resource that meets the requirement based on measurements. These work together with pricing models and storage classes from earlier sections.
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