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---
title: "Right Sizing"
type: concept
tags: [cloud, cost-management, AWS, EC2]
sources: [public-cloud-learning-sessions-reducing-cloud-costs-20250318-170100-meeting-reco]
last_updated: 2026-04-19
---
## Summary
Right Sizing正确调整规格是识别正确的资源规格以匹配工作负载性能和容量需求的过程。
## Definition
通过分析实际 CPU、内存、网络使用数据推荐合适的实例规格避免资源浪费。
## Key Techniques
- **EC2 Right Sizing Recommendation**:捕获 CPU、内存、网络数据提供推荐
- **实例调度**:为非生产环境配置按业务时间开关机,可节省 60% 成本
- **闲置资源清理**:识别和删除空闲负载均衡器、未关联弹性 IP、低利用率 EBS 卷
## Connections
- [[Cost Optimization]] ← implements ← [[Right Sizing]]Right Sizing 是成本优化的核心实践
- [[Workload Optimization]] ← includes ← [[Right Sizing]]Right Sizing 属于工作负载优化范畴
- [[Spot Instances]] ← complements ← [[Right Sizing]]Right Sizing 与 Spot 实例配合使用效果最佳