# Building Fault Tolerance with RPC Fallbacks in DoorDash’s Microservices

- **期号**: SRE Weekly Issue #368（2023-04-16）
- **作者**: Leart Gjoni — DoorDash
- **链接**: https://doordash.engineering/2022/06/07/improving-fault-tolerance-with-rpc-fallbacks-in-doordashs-microservices/

## 简介

Retries and high availability are great, but for critical dependencies, we can go a step further and define an alternative in case a dependency is down.

## 正文

> ⚠️ 抓取失败：HTTP 403