DevOps expert John Arundel argues that the most critical metric teams should track is "wakeups"—the number of out-of-hours pages generated by production issues. He emphasizes that DevOps isn't about tools or individual skills, but about teams taking full ownership of their software's lifecycle. Key recommendations include putting developers on call for production, making automation and testing essential (not optional), and recognizing that security must be a continuous mindset rather than a feature. The biggest obstacle to DevOps transformation isn't technical—it's people who resist change and need to be replaced for successful adoption.
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