What Is an Error Rate Threshold Gate?
An error rate threshold gate is a deployment check that monitors the fraction of failing requests and fails when it exceeds a defined limit. It treats a rising error rate as a clear sign that a new version is misbehaving. Crossing the threshold stops the rollout or triggers an automatic rollback.
Why it matters
Error rate is one of the quickest indicators that a deployment broke something. Gating on it catches obvious failures within minutes of exposure.
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