Dec 19, 2018Site Reliability Engineering is OperationsI saw two emotionally charged opinions on Twitter this week about SRE and Operations. They really made me think. The first tweet I saw was from @tmclaughbos — where he makes the impassioned case that doing a Kubernetes (EKS) migration is not an SRE activity. The thing…DevOps3 min readDevOps3 min read
Jul 2, 2017SRE Consensus BuildingI did a call out on Twitter to ask about what I should write about. Two of the responses resonated with me. These are things I’ve been thinking about a lot because I’m just about launch into a new role once I get back to London after my…Startup3 min readStartup3 min read
May 25, 2017Release EngineeringHow do you release software in a safe way, with reliability in mind? How do you bring together your development process with SRE practices for getting that software out to your customers, without introducing unneeded complexity or fragile systems. I have been giving commentary on the SRE book, which can…DevOps10 min readDevOps10 min read
May 16, 2017Service Level Objectives in PracticeService Level Objectives,or SLOs are the fundamental basis of all Site Reliability Engineering. Without them you can’t have error budgets, prioritize development work, or do timely and effective incident management. Objectives in Practice This is from Chapter 4 of the SRE book: Service Level Objectives. Start by thinking about (or finding out!) what…DevOps10 min readDevOps10 min read
May 11, 2017Service Level Indicators in PracticeHow well is your system working, right now? — Do you even know how well your system is working? How many errors are you serving? Would you even know if 1% of your requests time out? Service level indicators are literally the most important piece you need in order to apply SRE principles. Even if you think you have…Performance Testing8 min readPerformance Testing8 min read
Apr 11, 2017Planned OutagesPlanned outages can make systems at Google more reliable. In Embracing Risk, I wrote about how by making sure a system would be unavailable on a regular basis, then you can be sure that people know how to cope when it’s down. …Google3 min readGoogle3 min read
Apr 5, 2017Service Level ObjectivesDefinitions of what a SLI and an SLO are, and talking about how to define one. I am a Site Reliability Engineer at Google, annotating the SRE book on medium. The opinions stated here are my own, not those of my company. This is from Chapter 4: Service Level Objectives. Service Level Objectives …DevOps9 min readDevOps9 min read
Apr 2, 2017Motivation for Error BudgetsError budgets represent the amount of failure we expect to actually have. — I am a Site Reliability Engineer at Google, annotating the SRE book in a series of posts. The opinions stated here are my own, not those of my company. This is commentary on the last section of Chapter 3: Embracing Risk. Motivation for Error Budgets Written by Mark Roth Edited by Carmela Quinito Other…DevOps9 min readDevOps9 min read
Published inHackerNoon.com·Mar 29, 2017Risk Tolerance of ServicesHow to decide how fault tolerant you really want to be and defining the value of reliability. — I am a Site Reliability Engineer at Google, annotating the SRE book in a series of posts. The opinions stated here are my own, not those of my company. This is commentary on the second part of Chapter 3: Embracing Risk. Written by Marc Alvidrez, edited by Kavita Guliani. Risk Tolerance of Services What…Sre11 min readSre11 min read
Mar 23, 2017Commentary on Site Reliability EngineeringIn-order index of all my published articles on the SRE book. — I am a Site Reliability Engineer at Google, annotating the SRE book in a series of posts. The opinions stated here are my own, not those of my company. Chapter 1: Introduction Hope is Not a Strategy Google’s Approach Chapter 2: The Production Environment at Google, from the Viewpoint of an SRE The Production Environment at Google The Production Environment at Google (Part 2)Sre1 min readSre1 min read
