Several years ago we introduced a tool called Chaos Monkey. This service pseudo-randomly plucks a server from our production deployment on AWS and kills it. At the time we were met with incredulity and skepticism. Are we crazy? In production?!? Our reasoning was sound, and the results bore that out. Since we knew that server failures are guaranteed to happen, we wanted those failures to happen dur
![Chaos Engineering Upgraded](https://cdn-ak-scissors.b.st-hatena.com/image/square/32282bb3a0f39cd1d840ca59f42648f8ef21ad34/height=288;version=1;width=512/https%3A%2F%2Fmiro.medium.com%2Fv2%2Fresize%3Afill%3A250%3A132%2Fg%3Afp%3A0.59%3A0.31%2F0%2AccdVB3tNDN7ybsam.png)