# How we migrated our database to Amazon Aurora with zero downtime

- **期号**: SRE Weekly Issue #175（2019-06-30）
- **作者**: Miguel Carranza — RevenueCat
- **链接**: https://links.lastweekinaws.com/mpss/c/JQE/rDx0AA/t.2sq/mukNMXPXSnupOKK_7X9hqg/h10/u3g-2Bt1LsPzCnacHHvD6jGHWIstAbMzQxMBM8oqScuPV-2FDyI7MIc0Uyy1vlPH4JHt313-2BEU-2FzhNXUE2J2xnazRBCE43y-2BXRYAiDNtDyn-2BMC-2B38KXV4CylXKXW9-2BnB8008ehLrNHCkZPDewDKI5CztfCceHnTfJJsHgrF9Fro-2B1624-2Fu6mMzKnpqyXDrlfruJ7

## 简介

I love how they used idempotency to avoid downtime and missed or repeated transactions during the cutover.

## 正文

> ⚠️ 抓取失败：HTTP 404