# How Your Systems Keep Running Day After Day

- **期号**: SRE Weekly Issue #98（2017-11-19）
- **作者**: —
- **链接**: https://www.youtube.com/watch?v=xA5U85LSk0M

## 简介

This is John Allspaw’s 30-minute talk at DOES17, and it contains so much awesomeness that I really hope you’ll make time for it. Here are a couple of teasers (paraphrased):

> Treat incidents as unplanned investments in your infrastructure.

> Perform retrospectives not to brainstorm remediation items but to understand where your mental model of the system went wrong.

## 正文

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