Buildkite experienced service degradation on October 20th, 2025, due to an AWS us-east-1 outage that prevented autoscaling during peak traffic hours. Customers faced varying degrees of latency (1.5-7 seconds average) and error rates up to 10% across web interfaces, APIs, job dispatch, and notifications between 13:00-20:36 UTC.

4m read timeFrom buildkite.com
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