TLDR Tech / Dev
Incident with GitHub.com
GitHub experienced widespread outages and elevated error rates across multiple services caused by an autoscaling misconfiguration on an Istio sidecar pod that cascaded into load-balancer network saturation. Recovery was delayed when aggressive retry logic and a latent VS Code bug caused a tenfold traffic surge to the Copilot Token Service, which was eventually stabilized by throttling requests and reducing gateway retries.
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