# How Barclays Avoids Downtime Chaos

- **期号**: SRE Weekly Issue #49（2016-11-27）
- **作者**: —
- **链接**: http://www.techweekeurope.co.uk/data-storage/how-barclays-avoids-downtime-chaos-200812

## 简介

Barclays reduced load on their mainframe by adding MongoDB as a caching layer to handle read requests. What the heck does “mainframe” mean in this decade, anyway?

## 正文

> ⚠️ 抓取失败：HTTP 403