更新CLAUDE.md，删除wiki/concepts空文件
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---
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title: "RPO"
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type: concept
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tags: [Disaster Recovery, Metrics]
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sources: [rto-vs-rpo-disaster-recovery.md]
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last_updated: 2025-07-26
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---
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## Summary
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RPO(恢复点目标)是组织可接受的最大数据丢失量指标。
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## Definition
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RPO是从故障点向前衡量的可接受数据丢失时间范围，例如上次备份是下午2点而数据库下午3点崩溃，则RPO为1小时。
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## Key Claims
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- RPO是关于数据的：可接受丢失多少最近数据
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- 备份频率高不一定有帮助，如果恢复时间长
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- 快速功能切换可保持低RPO同时不丢失数据
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## Connections
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- [[RTO]] ← 互补 ← RPO
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- [[灾难恢复]] ← 依赖 ← RPO
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