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GitHub blames 8-hour outage on autoscaling fail

• indigodaddy 26d ago
  "Engineers mitigated the problem by temporarily reducing gateway retries through a code change and configuring the load balancers to reject inbound Copilot Token Service requests with HTTP 403 responses." ^^ How can the LB reject a request when it hasn't hit the backend yet to known what the response would be? (eg the 403)
  • awsanswers 26d ago
    Inspect headers for the request you need to filter, serve the 403 from the load balancing tier
    • indigodaddy 26d ago
      Ah ok, so the point is to protect the backend then? But by inspecting the headers are you still not hitting the backend? I guess that winds up putting way less load on the backend?
      • fatata123 26d ago
        [dead]
• tanvirk09 26d ago
  is this something that code review tool may have caught?