---
title: UID
id: uid
date: 2018-04-12
full_link: /docs/concepts/overview/working-with-objects/names
short_description: >
  A Kubernetes systems-generated string to uniquely identify objects.

aka: 
tags:
- fundamental
---
<!--
 A Kubernetes systems-generated string to uniquely identify objects.
-->

Kubernetes 系统生成的字符串，唯一标识对象。

<!--more--> 

<!--
Every object created over the whole lifetime of a Kubernetes cluster has a distinct UID. It is intended to distinguish between historical occurrences of similar entities.
-->

在 Kubernetes 集群的整个生命周期中创建的每个对象都有一个不同的 uid，它旨在区分类似实体的历史事件。