George Sims (@george-sims) | Hashnode Toggle Sidebar Feed Pro Search Theme Sign in MoreDarkshift - a dark factory for softwareBug0 - The AI-native e2e QA regression testingThe foreword by Hashnode - official blog from the Hashnode teamPassmark - The open-source AI framework for regression testingHashnode gql skill - let your AI agent publish to your Hashnode blogHackathonsChangelogBrand@hashnode on XHashnode on LinkedInSupport - [email protected] of ConductTermsPrivacySitemap Search Hashnode Search posts, tags, users, and pages @george-sims George Sims @george-sims·Barcelona, Spain·Joined February 2026 Senior DevOps Engineer @ Bynder Share About Writing about systems, engineering and developer experience. Available for Nothing here yet. George Sims's blogs Down The Ra-bit Holedowntherabithole.dev5 posts About Writing about systems, engineering and developer experience. Available for Nothing here yet. George Sims's blogs Down The Ra-bit Holedowntherabithole.dev5 posts ArticlesComments Recently published GSGeorge Simsindowntherabithole.dev·20h ago · 5 min read What Is a Token? You've typed something into Claude Code, ChatGPT, or Gemini more times today than you'd probably admit. You've also, at some point, stared at a bill that came in higher than expected, or watched one p 10 GSGeorge Simsindowntherabithole.dev·Aug 8 · 8 min read Distributed Tracing for CI Pipelines Without Touching a Single Workflow File You've probably felt this one: GitHub Actions usage creeps up across your org, and your actual visibility into it doesn't keep pace. Which workflows are slow? Which are flaky? How long are jobs sittin 12V GSGeorge Simsindowntherabithole.dev·Aug 2 · 7 min read Migrating A Critical Kubernetes Deployment From The Default Namespace Without Any Downtime Somewhere in your cluster there's probably a deployment sitting in the default namespace that everyone knows shouldn't be there. Nobody put it there maliciously, it just happened, early on, before any 00 GSGeorge Simsindowntherabithole.dev·Aug 1 · 9 min read How DNS Really Works You've typed a URL into a browser more times than you can count. You've also, at some point, been the engineer paged because "DNS is broken", and if you're honest, you probably fixed it without fully 00 GSGeorge Simsindowntherabithole.dev·Jul 1 · 7 min read How a Process Really Works As a DevOps/SRE/Platform Engineer you see many varieties of processes in the wild; Microservices writing to a database, a CI pipeline which runs linters and unit tests, the Docker ecosystem itself is 00