Kruise 是 OpenKruise 項目的核心，包含一組控制器擴展和完善 Kubernetes 核心控制器 的應用負載管理能力。

Kruise 提供三種應用負載控制器：

• Advanced StatefulSet: An enhanced version of default StatefulSet with extra functionalities such as inplace-update, sharding by namespace.

• BroadcastJob: A job that runs pods to completion across all the nodes in the cluster.

• SidecarSet: A controller that injects sidecar container into the pod spec based on selectors.