Error Budget
I recently got a paperback version of “The SRE Book” (because I already spend enough time in front of screens), and I re-read the section “Motivation for Error Budgets” in chapter 3. This is, in my opinion, one of the central elements of devops, because it fundamentally changes the way Dev and Ops view risk and aligns their incentives. How? The “classical” conflict of stability (Ops) vs change velocity (Dev) is solved by acknowledging that a 100% uptime is, in most cases, neither achievable nor desirable. ...