# When production is your test lab – what is “canarying”?

- **期号**: SRE Weekly Issue #84（2017-08-06）
- **作者**: —
- **链接**: https://www.enterpriseirregulars.com/117624/production-test-lab-canarying/

## 简介

Somewhat intro-level, but I like this little gem:

> […] we have to put some requests at risk for the sake of protecting our overall availability. We want to keep that risk to a minimum. This raises the question: What is the smallest experiment we can run that still gives us confidence in the result?”