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reviewers:
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title: 启用 EndpointSlices
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content_type: task
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---
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<!--
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reviewers:
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- bowei
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- freehan
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title: Enabling EndpointSlices
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content_type: task
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-->
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<!-- overview -->
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<!--
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This page provides an overview of enabling EndpointSlices in Kubernetes.
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-->
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本页提供启用 Kubernetes EndpointSlice 的总览。
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## {{% heading "prerequisites" %}}
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{{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
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<!-- steps -->
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<!--
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## Introduction
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EndpointSlices provide a scalable and extensible alternative to Endpoints in
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Kubernetes. They build on top of the base of functionality provided by Endpoints
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and extend that in a scalable way. When Services have a large number (>100) of
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network endpoints, they will be split into multiple smaller EndpointSlice
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resources instead of a single large Endpoints resource.
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-->
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## 介绍
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EndpointSlice (端点切片)为 Kubernetes Endpoints 提供了可伸缩和可扩展的替代方案。
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它们建立在 Endpoints 提供的功能基础之上,并以可伸缩的方式进行扩展。
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当 Service 具有大量(>100)网络端点时,它们将被分成多个较小的 EndpointSlice 资源,
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而不是单个大型 Endpoints 资源。
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<!--
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## Enabling EndpointSlices
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-->
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## 启用 EndpointSlice
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{{< feature-state for_k8s_version="v1.17" state="beta" >}}
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{{< note >}}
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<!--
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The EndpointSlice resource was designed to address shortcomings in a earlier
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resource: Endpoints. Some Kubernetes components and third-party applications
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continue to use and rely on Endpoints. Whilst that remains the case,
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EndpointSlices should be seen as an addition to Endpoints in a cluster, not as
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an outright replacement.
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-->
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EndpointSlice 资源旨在解决较早资源:Endpoints 中的缺点。一些 Kubernetes 组件和第三方应用程序
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继续使用并依赖 Endpoints。既然情况如此,应该将 EndpointSlices 视为集群中 Endpoints 的补充,而不是
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彻底替代。
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{{< /note >}}
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<!--
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EndpointSlice functionality in Kubernetes is made up of several different
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components, most are enabled by default:
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-->
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Kubernetes 中的 EndpointSlice 功能包含若干不同组件。它们中的大部分都是
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默认被启用的:
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<!--
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* _The EndpointSlice API_: EndpointSlices are part of the
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`discovery.k8s.io/v1beta1` API. This is beta and enabled by default since
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Kubernetes 1.17. All components listed below are dependent on this API being
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enabled.
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* _The EndpointSlice Controller_: This {{< glossary_tooltip text="controller"
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term_id="controller" >}} maintains EndpointSlices for Services and the Pods
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they reference. This is controlled by the `EndpointSlice` feature gate. It has
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been enabled by default since Kubernetes 1.18.
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-->
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* _EndpointSlice API_:EndpointSlice 隶属于 `discovery.k8s.io/v1beta1` API。
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此 API 处于 Beta 阶段,从 Kubernetes 1.17 开始默认被启用。
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下面列举的所有组件都依赖于此 API 被启用。
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* _EndpointSlice 控制器_:此 {{< glossary_tooltip text="控制器" term_id="controller" >}}
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为 Service 维护 EndpointSlice 及其引用的 Pods。
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此控制器通过 `EndpointSlice` 特性门控控制。自从 Kubernetes 1.18 起,
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该特性门控默认被启用。
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<!--
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* _The EndpointSliceMirroring Controller_: This {{< glossary_tooltip
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text="controller" term_id="controller" >}} mirrors custom Endpoints to
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EndpointSlices. This is controlled by the `EndpointSlice` feature gate. It has
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been enabled by default since Kubernetes 1.19.
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* _Kube-Proxy_: When {{< glossary_tooltip text="kube-proxy" term_id="kube-proxy">}}
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is configured to use EndpointSlices, it can support higher numbers of Service
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endpoints. This is controlled by the `EndpointSliceProxying` feature gate on
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Linux and `WindowsEndpointSliceProxying` on Windows. It has been enabled by
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default on Linux since Kubernetes 1.19. It is not enabled by default for
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Windows nodes. To configure kube-proxy to use EndpointSlices on Windows, you
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can enable the `WindowsEndpointSliceProxying` [feature
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gate](/docs/reference/command-line-tools-reference/feature-gates/) on
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kube-proxy.
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-->
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* _EndpointSliceMirroring 控制器_:此 {{< glossary_tooltip text="控制器" term_id="controller" >}}
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将自定义的 Endpoints 映射为 EndpointSlice。
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控制器受 `EndpointSlice` 特性门控控制。该特性门控自 1.19 开始被默认启用。
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* _kube-proxy_:当 {{< glossary_tooltip text="kube-proxy" term_id="kube-proxy">}}
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被配置为使用 EndpointSlice 时,它会支持更大数量的 Service 端点。
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此功能在 Linux 上受 `EndpointSliceProxying` 特性门控控制;在 Windows 上受
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`WindowsEndpointSliceProxying` 特性门控控制。
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在 Linux 上,从 Kubernetes 1.19 版本起自动启用。目前尚未在 Windows 节点
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上默认启用。
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要在 Windows 节点上配置 kube-proxy 使用 EndpointSlice,你需要为 kube-proxy 启用
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`WindowsEndpointSliceProxying`
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[特性门控](/zh/docs/reference/command-line-tools-reference/feature-gates/)。
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<!--
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## API fields
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Some fields in the EndpointSlice API are feature-gated.
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- The `EndpointSliceNodeName` feature gate controls access to the `nodeName`
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field. This is an alpha feature that is disabled by default.
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- The `EndpointSliceTerminating` feature gate controls access to the `serving`
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and `terminating` condition fields. This is an alpha feature that is disabled
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by default.
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-->
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## API 字段
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EndpointSlice API 中的某些字段有对应的特性门控控制。
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- `EndpointSliceNodeName` 特性门控控制对 `nodeName` 字段的访问。这是默认情况下禁用的 Alpha 功能。
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- `EndpointSliceTerminating` 特性门控控制对 `serving` 和 `terminating` 状况字段的访问。这是默认情况下禁用的 Alpha 功能。
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<!--
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## Using Endpoint Slices
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With EndpointSlices fully enabled in your cluster, you should see corresponding
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EndpointSlice resources for each Endpoints resource. In addition to supporting
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existing Endpoints functionality, EndpointSlices will allow for greater
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scalability and extensibility of network endpoints in your cluster.
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-->
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## 使用 EndpointSlice
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在集群中完全启用 EndpointSlice 的情况下,你应该看到对应于每个
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Endpoints 资源的 EndpointSlice 资源。除了支持现有的 Endpoints 功能外,
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EndpointSlices 将允许集群中网络端点更好的可伸缩性和可扩展性。
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<!--
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## {{% heading "whatsnext" %}}
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* Read about [EndpointSlices](/docs/concepts/services-networking/endpoint-slices/)
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* Read [Connecting Applications with Services](/docs/concepts/services-networking/connect-applications-service/)
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-->
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## {{% heading "whatsnext" %}}
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* 参阅 [EndpointSlices](/zh/docs/concepts/services-networking/endpoint-slices/)
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* 参阅[将应用程序与服务连接](/zh/docs/concepts/services-networking/connect-applications-service/)
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