GitHub blames seven-hour August 17 outage on capacity limits amid AI-driven traffic surge
GitHub's August 17 outage lasted seven hours and 47 minutes and hit authentication, repositories, pull requests and Copilot. CTO Vlad Fedorov's postmortem blames a traffic spike: monthly commits doubled since April to 2.9 billion. A misconfigured Istio sidecar triggered cascading failures. Azure now carries 58 percent of GitHub's load, and a multi-cloud move including AWS is on the table.
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