Towards Operational Excellence

Part 1 — Customers, Culture, and why you should care.

Adrian Hornsby
The Cloud Architect
11 min readJan 15, 2020

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I would like to express my gratitude and appreciation to Peter Vosshall, Distinguished Engineer at AWS, for the inspiration behind this series of blog posts. Peter’s work has always been an inspiration to me, and without him, this series wouldn’t exist.

Once systems are designed, implemented, and tested, we come to what is arguably one of the hardest aspects in the lifecycle of a system: bringing it to life and sustaining it in operations. In this series of posts, I’ll discuss Operational Excellence, focusing on the three essential interconnecting elements that enable you to successfully operate the technology you’ve built — Culture, Tools, and Processes.

Part 1 of the series will cover the cultural side of Operational Excellence. Part 2 will discuss Tools. And Part 3 will cover Processes — or what we prefer to call Mechanisms.

Let’s get to it!

Note: This series of blog post differs from what I usually write about. So, in order to respect your time, if you expect some deep-dive on technology and some code, feel free to move on. If

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Adrian Hornsby
The Cloud Architect

Principal System Dev Engineer @ AWS ☁️ I break stuff .. mostly. Opinions here are my own.