# How to manage changing requirements for a high availability service

- **期号**: SRE Weekly Issue #134（2018-08-12）
- **作者**: Yiwei Liu — Grubhub
- **链接**: https://bytes.grubhub.com/how-to-manage-changing-requirements-for-a-high-availability-service-4715750576bc

## 简介

It’s rare that any system we create will remain static throughout its lifetime. How can you handle retrofitting it without sacrificing reliability?

## 正文

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