Kubernetes可以处理数千种服务吗? [英] Can Kubernetes handle thousands of services?

问题描述

我需要创建一个集群来部署数千个彼此独立的应用程序.每个应用程序由4-5个需要相互交谈的Pod组成.这些吊舱中的每个吊舱都需要扩展，并且可以在群集中的任何位置，因此我必须使用服务，以便它们可以进行通信.

I need to create a cluster to deploy thousands of apps, which are independent from each other. Each app is composed by 4-5 pods that need to talk to each other. Each of those pods need to scale and can be anywhere in the cluster, so I have to use services so they can communicate.

由于Kubernetes管理服务的方式，它为每个服务创建一个环境变量并在每个节点上更新本地代理，我想知道即使我有成千上万个服务，也可能成千上万个，它是否可以很好地扩展服务.

Due to the way Kubernetes manages services, where it creates an environment variable for each service and updates a local proxy on each node, I was wondering if that will scale well even if I have thousands of services, or maybe hundreds of thousands of services.

推荐答案

这是一个很好的问题.我已经提交了 https://github.com/GoogleCloudPlatform/kubernetes/issues/3345 .

This is a good question. I have filed https://github.com/GoogleCloudPlatform/kubernetes/issues/3345.

我们刚刚开始将SkyDNS与我们的群集打包在一起；用于服务发现的DNS可能比环境变量更能满足您的需求.

We've just started packaging up SkyDNS with our clusters; DNS for service discovery may meet your needs better than env variables.

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