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Last Known Good Configuration

Kong Ingress Controller stores the last valid configuration in memory and uses it to configure new Pods. Any Pods created due to scale out events or Pod restarts receive the latest configuration that was accepted by any Kong Pod.

Note: Any changes you make with kubectl are not reflected until the Kubernetes API server state is fixed. This feature is designed to keep your deployment online until an operator can fix the k8s server state.

If the Kong Ingress Controller Pod is restarted with a broken configuration on the Kubernetes API server, it fetches the last valid configuration from an existing Kong instance and store it in memory.

If there are no running proxy Pods when the controller is restarted the last known good configuration is lost. In this event, please fix the configuration on your Kubernetes API server.