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title: "DORA 指标"
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type: concept
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tags: [devops, metrics, performance-measurement]
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sources: [cloud-devop-maturity-guideline]
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last_updated: 2026-04-16
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---
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## Definition
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DORA(DevOps Research & Assessment)指标是用于衡量组织 DevOps 性能和交付能力的关键度量标准。
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## Four Key Metrics
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1. **部署频率(Deployment Frequency)**:代码部署到生产的频率
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2. **变更前置时间(Lead Time for Changes)**:从代码提交到生产部署的时间
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3. **变更失败率(Change Failure Rate)**:部署导致生产环境失败的比例
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4. **平均恢复时间(MTTR)**:Mean Time to Recovery,服务从故障中恢复的平均时间
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## Significance
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- DORA 指标是评估 DevOps 成熟度的核心量化工具
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- 高绩效组织通常:部署频率高、前置时间短、变更失败率低、MTTR 短
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## Connections
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- [[DevOps 成熟度模型]] ← 评估框架 ← [[DORA 指标]]
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- [[CI/CD 流水线]] ← 影响 ← [[DORA 指标]]
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