Files
nexus/wiki/concepts/RTO.md
2026-04-14 16:02:50 +08:00

30 lines
717 B
Markdown
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
---
title: "RTO"
type: concept
tags: [Disaster Recovery, Metrics]
sources: [rto-vs-rpo-disaster-recovery.md]
last_updated: 2025-07-26
---
## Summary
RTO(恢复时间目标)是衡量系统可容忍最大停机时间的关键指标。
## Definition
RTO是系统可容忍的最大停机时间从系统故障到恢复正常运行的时间目标。
## Key Claims
- RTO是关于速度的系统能多快恢复在线
- 功能标志可将RTO从数小时缩短到秒级
- 不同应用层级应有不同的RTO目标
## Tiers
- Critical: < 5分钟
- Important: < 1小时
- Nice-to-have: < 4小时
## Connections
- [[RPO]] ← 互补 ← RTO
- [[功能标志]] ← 改善 ← RTO
- [[灾难恢复]] ← 依赖 ← RTO