The Health Check That Watched the Wrong Thing
The last post ended on a promise: background workers fall into the same correlated-failure trap as request services, from a different angle. This is that angle, and it starts one level earlier: a heal

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The last post ended on a promise: background workers fall into the same correlated-failure trap as request services, from a different angle. This is that angle, and it starts one level earlier: a heal

Your database dropped out for a few minutes. Your health check turned that into a full outage. That's not a hypothetical situation I made up for effect. It happened to us twice, in two different shape

I was implementing a feature where the session container would track a lastActivity timestamp, updated on every authenticated request. Standard stuff. I wrote it, tested it locally with curl, and noti

You push a critical hotfix, switch branches—and your CI is still running 30 minutes later. In my current project, our backend pipeline ran across a massive monorepo (~7,000 unit, ~600 integration, ~15
