Basic Information
| Field | Value |
|---|---|
| English | AWS Cost Explorer |
| Chinese | 成本与使用量分析 |
| Japanese | AWS Cost Explorer（コストと使用量の可視化・分析） |
| Exam frequency | ⭐⭐⭐⭐⭐ |
| Often confused with | AWS Budgets / AWS Pricing Calculator / Billing |
One-line summary
Analyze historical cost and usage by service, account, Region, tag, and other dimensions, with trends and forecasts.
Use cases and pitfalls
- Compare periods, find cost drivers, and allocate costs to accounts, teams, or projects.
- Locate changes in EC2, NAT Gateway, logs, or data-transfer spend before validating an optimization with operational metrics.
- Cost Explorer is not a pre-deployment estimate, a budget-alert tool, or real-time system monitoring.
Key takeaway
Historical cost, trends, grouping, and forecasts point to Cost Explorer.