Your server is already dead. Your monitoring just doesn't know it yet.
go
dev.to
Your server starts dying at T=0. Prometheus detects it at T=100s. In between, you're blind. That gap — I call it the Lethal Interval — is where OOM kills happen, where memory leaks spiral, where a payment service crashes while your dashboard still shows green. This isn't a criticism of Prometheus or Datadog. They're excellent at what they do. The problem is structural: every centralized monitoring system works the same way. collect metrics on node → transmit over network → store in T