Fixing Distributed Systems Fail

Key takeaways
  • You will learn the way distributed systems and microservices can fail
  • You will learn the many options for coordinating activities between multiple systems in a single app
  • You will follow along as we move the broken system into a resilient one

It seemed like an easy feature to implement, a checkout page to place an order. But this payment gateway has a simple API, so we added that. And this email service provider makes it possible to send an email with one line of code! The code looks simple, 6 little lines of distributed systems code.

But those lines hid a dark secret that we only found after launching. Customers complained they didn't get their email, back end system wasn't getting updated from, and the worst of all, customers complained they saw an error page but still got charged!

In this session, we'll look at taking our 6 lines of distributed systems fail, examining the inevitable failures that arise, and possible mitigating scenarios. We'll also look at the coupling our code contains, and the ways we can address it. Finally, we'll refactor towards a truly resilient checkout process that embraces, instead of ignoring, the fallacies of distributed computing.


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