kubernetes标签名称63个字符限制 [英] kubernetes label name 63 character limit

问题描述

如 https://kubernetes.io/docs/中所述概念/概述/与对象一起使用/标签/ 标签名称和值不能超过63个字符.有人知道导致此限制的原因吗?我不是在寻找代码条件，而是选择此值的真正原因.

As explained at https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/ labels name and value have limit of 63 characters. Does anyone know what drives this limit? I am not looking for code condition but the real reason behind choosing this value.

推荐答案

作为Suresh Vishnoi 写道，这是基于 RFC-1123 的全局限制.

As Suresh Vishnoi wrote, it is a global restriction based on RFC-1123.

此处是一个简单的解释的限制.

Here is a simple explanation of this restriction.

Kubernetes中有一个提交，用于验证标签的长度.

There is a commit in Kubernetes which provides the validation of labels' length.

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