Book Image

Real-World SRE

By : Pavlos Ratis, Nat Welch
Book Image

Real-World SRE

By: Pavlos Ratis, Nat Welch

Overview of this book

Real-World SRE is the go-to survival guide for the software developer in the middle of catastrophic website failure. Site Reliability Engineering (SRE) has emerged on the frontline as businesses strive to maximize uptime. This book is a step-by-step framework to follow when your website is down and the countdown is on to fix it. Nat Welch has battle-hardened experience in reliability engineering at some of the biggest outage-sensitive companies on the internet. Arm yourself with his tried-and-tested methods for monitoring modern web services, setting up alerts, and evaluating your incident response. Real-World SRE goes beyond just reacting to disaster—uncover the tools and strategies needed to safely test and release software, plan for long-term growth, and foresee future bottlenecks. Real-World SRE gives you the capability to set up your own robust plan of action to see you through a company-wide website crisis. The final chapter of Real-World SRE is dedicated to acing SRE interviews, either in getting a first job or a valued promotion.
Table of Contents (16 chapters)
Real-World SRE
Contributors
Preface
Other Books You May Enjoy
Index

A quick introduction to business finance


Often, engineers think about things such as software performance, metrics, servers, hard drives and network bandwidth. Instead, we will first dive into some business finance. I have found that many software developers are interested in finance (see cryptocurrencies, flash trading, gambling, and so on), but it took me a long time to be turned on to it. As such, people would speak finance jargon and I would smile and nod. Frequently, I did not realize what was being implied about how the business thought about my team or about how our CEO viewed economics. I bring this up now because one of the most significant aspects of capacity planning is figuring out money: discovering how your business deals with money and how to acquire it for your team. Can you ask your CEO to approve a $50,000 purchase or do you need to work with the finance department? Does your company have a budget for increases in infrastructure costs? Often, you will interact with someone...