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We spend most of our time thinking about systems while they’re alive. How they handle requests. How they scale. How they recover from failure. Very little time is spent thinking about what happens when they stop. That’s a mistake. Because backend sys...

Introduction Have you ever wondered what happens to ongoing requests when you deploy a new version of a service and it gets restarted? Do these operations finish correctly, or are they abruptly terminated with an exception? If you're unsure, it's lik...
