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This article mainly explains "how to use the name of Kubernetes object". The content of the explanation in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn how to use the name of Kubernetes object.

All objects in Kubernetes REST API are explicitly identified by name and UID.

For non-unique user-supplied attributes, Kubernetes provides tags and comments.

Check the identity design document for precise syntax rules for names and UID.

Name

The name can be used to locate an object in the resource URL, such as / api/v1/pods/some-name.

The name of an object of a certain type can only appear once at a time. However, if the object is deleted, you can create a new object with the same name.

By convention, Kubernetes resource names can be up to 253 characters long and consist of lowercase letters, numbers, "-" and "." Composition, but some resources may have more specific restrictions.

UIDs

UID is a string generated by the Kubernetes system that uniquely identifies an object.

Each object created throughout the life cycle of the Kubernetes cluster has a different UID. Its purpose is to distinguish the historical events of similar entities.

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