Progressive Configuration Delivery for Zero-Downtime Cloud Workloads - Yuxing Yuan & Hao Wu

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Progressive Configuration Delivery for Zero-Downtime Cloud Workloads - Yuxing Yuan, Alibaba Cloud & Hao Wu, Independent

On June, 2025, a misconfigured quota policy is deployed without proper validation in Google Cloud, which caused widespread service disruption. Similar incidences related to un-safe configuration updates are reported by many cloud providers and users. Configuration updates in Kubernetes often lack the progressive delivery capability like code updates. While the community advocates generating new ConfigMaps with Deployment rolling updates, this approach lacks systematic support and fails to address complex scenarios where configuration and image rollouts must be decoupled.

In this session, we'll explore ConfigMapSet, an OpenKruise innovation that redefines configuration management in Kubernetes, supporting progressive delivery patterns combined with AI-ready orchestration. We'll demonstrate how this CRD-based solution enables zero-downtime configuration updates, decouples config/image versioning, and supports dynamic AI/ML workflows like distributed model inference.