kubernetes-handbook/concepts/pod-disruption-budget.html

4991 lines
267 KiB
HTML
Raw Normal View History

<!DOCTYPE HTML>
<html lang="zh-hans" >
<head>
<meta charset="UTF-8">
<meta content="text/html; charset=utf-8" http-equiv="Content-Type">
<title>Pod 中断与 PDBPod 中断预算) · Kubernetes Handbook - Kubernetes中文指南/云原生应用架构实践手册 by Jimmy Song(宋净超)</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="description" content="">
<meta name="generator" content="GitBook 3.2.3">
<meta name="author" content="Jimmy Song宋净超">
<link rel="stylesheet" href="../gitbook/style.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-splitter/splitter.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-page-toc-button/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-image-captions/image-captions.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-back-to-top-button/plugin.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-search-plus/search.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-tbfed-pagefooter/footer.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-prism/prism-ghcolors.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-lightbox/css/lightbox.min.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-alerts/style.css">
<link rel="stylesheet" href="../gitbook/gitbook-plugin-fontsettings/website.css">
<meta name="HandheldFriendly" content="true"/>
<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<link rel="apple-touch-icon-precomposed" sizes="152x152" href="../gitbook/images/apple-touch-icon-precomposed-152.png">
<link rel="shortcut icon" href="../gitbook/images/favicon.ico" type="image/x-icon">
<link rel="next" href="cluster.html" />
<link rel="prev" href="pod-preset.html" />
<link rel="shortcut icon" href='../favicon.ico' type="image/x-icon">
<link rel="bookmark" href='../favicon.ico' type="image/x-icon">
<style>
@media only screen and (max-width: 640px) {
.book-header .hidden-mobile {
display: none;
}
}
</style>
<script>
window["gitbook-plugin-github-buttons"] = {"repo":"rootsongjc/kubernetes-handbook","types":["star"],"size":"small"};
</script>
</head>
<body>
<div class="book">
<div class="book-summary">
<div id="book-search-input" role="search">
<input type="text" placeholder="输入并搜索" />
</div>
<nav role="navigation">
<ul class="summary">
<li>
<a href="https://jimmysong.io" target="_blank" class="custom-link">回到主页</a>
</li>
<li>
<a href="https://jimmysong.io/awesome-cloud-native" target="_blank" class="custom-link">Awesome Cloud Native</a>
</li>
<li>
<a href="https://cloudnative.to" target="_blank" class="custom-link">云原生社区</a>
</li>
<li>
<a href="https://cloudnativeindustryalliance.github.io/whitepaper2020/" target="_blank" class="custom-link">中国云原生发展白皮书2020</a>
</li>
<li>
<a href="https://jimmysong.io/guide-to-cloud-native-app/" target="_blank" class="custom-link">云原生应用白皮书</a>
</li>
<li class="divider"></li>
<li class="header">前言</li>
<li class="chapter " data-level="1.1" data-path="../">
<a href="../">
<b>1.1.</b>
序言
</a>
</li>
<li class="header">云原生</li>
<li class="chapter " data-level="2.1" data-path="../cloud-native/cloud-native-definition.html">
<a href="../cloud-native/cloud-native-definition.html">
<b>2.1.</b>
云原生Cloud Native的定义
</a>
</li>
<li class="chapter " data-level="2.2" data-path="../cloud-native/cloud-native-philosophy.html">
<a href="../cloud-native/cloud-native-philosophy.html">
<b>2.2.</b>
云原生的设计哲学
</a>
</li>
<li class="chapter " data-level="2.3" data-path="../cloud-native/play-with-kubernetes.html">
<a href="../cloud-native/play-with-kubernetes.html">
<b>2.3.</b>
Play with Kubernetes
</a>
</li>
<li class="chapter " data-level="2.4" data-path="../cloud-native/cloud-native-local-quick-start.html">
<a href="../cloud-native/cloud-native-local-quick-start.html">
<b>2.4.</b>
快速部署一个云原生本地实验环境
</a>
</li>
<li class="chapter " data-level="2.5" data-path="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<a href="../cloud-native/setup-kubernetes-with-rancher-and-aliyun.html">
<b>2.5.</b>
使用 Rancher 在阿里云上部署 Kubenretes 集群
</a>
</li>
<li class="chapter " data-level="2.6" data-path="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<a href="../cloud-native/kubernetes-and-cloud-native-app-overview.html">
<b>2.6.</b>
Kubernetes 与云原生应用概览
</a>
</li>
<li class="chapter " data-level="2.7" data-path="../cloud-native/from-kubernetes-to-cloud-native.html">
<a href="../cloud-native/from-kubernetes-to-cloud-native.html">
<b>2.7.</b>
云原生应用之路 —— 从 Kubernetes 到 Cloud Native
</a>
</li>
<li class="chapter " data-level="2.8" data-path="../cloud-native/cloud-native-programming-languages.html">
<a href="../cloud-native/cloud-native-programming-languages.html">
<b>2.8.</b>
云原生编程语言
</a>
<ul class="articles">
<li class="chapter " data-level="2.8.1" data-path="../cloud-native/cloud-native-programming-language-ballerina.html">
<a href="../cloud-native/cloud-native-programming-language-ballerina.html">
<b>2.8.1.</b>
云原生编程语言 Ballerina
</a>
</li>
<li class="chapter " data-level="2.8.2" data-path="../cloud-native/cloud-native-programming-language-pulumi.html">
<a href="../cloud-native/cloud-native-programming-language-pulumi.html">
<b>2.8.2.</b>
云原生编程语言 Pulumi
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="2.9" data-path="../cloud-native/the-future-of-cloud-native.html">
<a href="../cloud-native/the-future-of-cloud-native.html">
<b>2.9.</b>
云原生的未来
</a>
</li>
<li class="chapter " data-level="2.10" data-path="../cloud-native/define-cloud-native-app.html">
<a href="../cloud-native/define-cloud-native-app.html">
<b>2.10.</b>
定义云原生应用
</a>
<ul class="articles">
<li class="chapter " data-level="2.10.1" data-path="../cloud-native/workload.html">
<a href="../cloud-native/workload.html">
<b>2.10.1.</b>
Workload
</a>
</li>
<li class="chapter " data-level="2.10.2" data-path="../cloud-native/component.html">
<a href="../cloud-native/component.html">
<b>2.10.2.</b>
Component
</a>
</li>
<li class="chapter " data-level="2.10.3" data-path="../cloud-native/trait.html">
<a href="../cloud-native/trait.html">
<b>2.10.3.</b>
Trait
</a>
</li>
<li class="chapter " data-level="2.10.4" data-path="../cloud-native/application-scope.html">
<a href="../cloud-native/application-scope.html">
<b>2.10.4.</b>
Application Scope
</a>
</li>
<li class="chapter " data-level="2.10.5" data-path="../cloud-native/application-configuration.html">
<a href="../cloud-native/application-configuration.html">
<b>2.10.5.</b>
Application Configuration
</a>
</li>
</ul>
</li>
<li class="header">概念与原理</li>
<li class="chapter " data-level="3.1" data-path="./">
<a href="./">
<b>3.1.</b>
Kubernetes 架构
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.1" data-path="concepts.html">
<a href="concepts.html">
<b>3.1.1.</b>
设计理念
</a>
</li>
<li class="chapter " data-level="3.1.2" data-path="etcd.html">
<a href="etcd.html">
<b>3.1.2.</b>
Etcd 解析
</a>
</li>
<li class="chapter " data-level="3.1.3" data-path="open-interfaces.html">
<a href="open-interfaces.html">
<b>3.1.3.</b>
开放接口
</a>
<ul class="articles">
<li class="chapter " data-level="3.1.3.1" data-path="cri.html">
<a href="cri.html">
<b>3.1.3.1.</b>
CRI - Container Runtime Interface容器运行时接口
</a>
</li>
<li class="chapter " data-level="3.1.3.2" data-path="cni.html">
<a href="cni.html">
<b>3.1.3.2.</b>
CNI - Container Network Interface容器网络接口
</a>
</li>
<li class="chapter " data-level="3.1.3.3" data-path="csi.html">
<a href="csi.html">
<b>3.1.3.3.</b>
CSI - Container Storage Interface容器存储接口
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.2" data-path="networking.html">
<a href="networking.html">
<b>3.2.</b>
Kubernetes 中的网络
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.1" data-path="flannel.html">
<a href="flannel.html">
<b>3.2.1.</b>
Kubernetes 中的网络解析 —— 以 flannel 为例
</a>
</li>
<li class="chapter " data-level="3.2.2" data-path="calico.html">
<a href="calico.html">
<b>3.2.2.</b>
Kubernetes 中的网络解析 —— 以 calico 为例
</a>
</li>
<li class="chapter " data-level="3.2.3" data-path="cilium.html">
<a href="cilium.html">
<b>3.2.3.</b>
具备 API 感知的网络和安全性管理开源软件 Cilium
</a>
<ul class="articles">
<li class="chapter " data-level="3.2.3.1" data-path="cilium-concepts.html">
<a href="cilium-concepts.html">
<b>3.2.3.1.</b>
Cilium 架构设计与概念解析
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.3" data-path="objects.html">
<a href="objects.html">
<b>3.3.</b>
资源对象与基本概念解析
</a>
</li>
<li class="chapter " data-level="3.4" data-path="pod-state-and-lifecycle.html">
<a href="pod-state-and-lifecycle.html">
<b>3.4.</b>
Pod 状态与生命周期管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.4.1" data-path="pod-overview.html">
<a href="pod-overview.html">
<b>3.4.1.</b>
Pod 概览
</a>
</li>
<li class="chapter " data-level="3.4.2" data-path="pod.html">
<a href="pod.html">
<b>3.4.2.</b>
Pod 解析
</a>
</li>
<li class="chapter " data-level="3.4.3" data-path="init-containers.html">
<a href="init-containers.html">
<b>3.4.3.</b>
Init 容器
</a>
</li>
<li class="chapter " data-level="3.4.4" data-path="pause-container.html">
<a href="pause-container.html">
<b>3.4.4.</b>
Pause 容器
</a>
</li>
<li class="chapter " data-level="3.4.5" data-path="pod-security-policy.html">
<a href="pod-security-policy.html">
<b>3.4.5.</b>
Pod 安全策略
</a>
</li>
<li class="chapter " data-level="3.4.6" data-path="pod-lifecycle.html">
<a href="pod-lifecycle.html">
<b>3.4.6.</b>
Pod 的生命周期
</a>
</li>
<li class="chapter " data-level="3.4.7" data-path="pod-hook.html">
<a href="pod-hook.html">
<b>3.4.7.</b>
Pod Hook
</a>
</li>
<li class="chapter " data-level="3.4.8" data-path="pod-preset.html">
<a href="pod-preset.html">
<b>3.4.8.</b>
Pod Preset
</a>
</li>
<li class="chapter active" data-level="3.4.9" data-path="pod-disruption-budget.html">
<a href="pod-disruption-budget.html">
<b>3.4.9.</b>
Pod 中断与 PDBPod 中断预算)
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.5" data-path="cluster.html">
<a href="cluster.html">
<b>3.5.</b>
集群资源管理
</a>
<ul class="articles">
<li class="chapter " data-level="3.5.1" data-path="node.html">
<a href="node.html">
<b>3.5.1.</b>
Node
</a>
</li>
<li class="chapter " data-level="3.5.2" data-path="namespace.html">
<a href="namespace.html">
<b>3.5.2.</b>
Namespace
</a>
</li>
<li class="chapter " data-level="3.5.3" data-path="label.html">
<a href="label.html">
<b>3.5.3.</b>
Label
</a>
</li>
<li class="chapter " data-level="3.5.4" data-path="annotation.html">
<a href="annotation.html">
<b>3.5.4.</b>
Annotation
</a>
</li>
<li class="chapter " data-level="3.5.5" data-path="taint-and-toleration.html">
<a href="taint-and-toleration.html">
<b>3.5.5.</b>
Taint 和 Toleration污点和容忍
</a>
</li>
<li class="chapter " data-level="3.5.6" data-path="garbage-collection.html">
<a href="garbage-collection.html">
<b>3.5.6.</b>
垃圾收集
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6" data-path="controllers.html">
<a href="controllers.html">
<b>3.6.</b>
控制器
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.1" data-path="deployment.html">
<a href="deployment.html">
<b>3.6.1.</b>
Deployment
</a>
</li>
<li class="chapter " data-level="3.6.2" data-path="statefulset.html">
<a href="statefulset.html">
<b>3.6.2.</b>
StatefulSet
</a>
</li>
<li class="chapter " data-level="3.6.3" data-path="daemonset.html">
<a href="daemonset.html">
<b>3.6.3.</b>
DaemonSet
</a>
</li>
<li class="chapter " data-level="3.6.4" data-path="replicaset.html">
<a href="replicaset.html">
<b>3.6.4.</b>
ReplicationController 和 ReplicaSet
</a>
</li>
<li class="chapter " data-level="3.6.5" data-path="job.html">
<a href="job.html">
<b>3.6.5.</b>
Job
</a>
</li>
<li class="chapter " data-level="3.6.6" data-path="cronjob.html">
<a href="cronjob.html">
<b>3.6.6.</b>
CronJob
</a>
</li>
<li class="chapter " data-level="3.6.7" data-path="horizontal-pod-autoscaling.html">
<a href="horizontal-pod-autoscaling.html">
<b>3.6.7.</b>
Horizontal Pod Autoscaling
</a>
<ul class="articles">
<li class="chapter " data-level="3.6.7.1" data-path="custom-metrics-hpa.html">
<a href="custom-metrics-hpa.html">
<b>3.6.7.1.</b>
自定义指标 HPA
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.6.8" data-path="admission-controller.html">
<a href="admission-controller.html">
<b>3.6.8.</b>
准入控制器Admission Controller
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.7" data-path="service-discovery.html">
<a href="service-discovery.html">
<b>3.7.</b>
服务发现
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.1" data-path="service.html">
<a href="service.html">
<b>3.7.1.</b>
Service
</a>
</li>
<li class="chapter " data-level="3.7.2" data-path="ingress.html">
<a href="ingress.html">
<b>3.7.2.</b>
Ingress
</a>
<ul class="articles">
<li class="chapter " data-level="3.7.2.1" data-path="traefik-ingress-controller.html">
<a href="traefik-ingress-controller.html">
<b>3.7.2.1.</b>
Traefik Ingress Controller
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="3.8" data-path="authentication-and-permission.html">
<a href="authentication-and-permission.html">
<b>3.8.</b>
身份与权限控制
</a>
<ul class="articles">
<li class="chapter " data-level="3.8.1" data-path="serviceaccount.html">
<a href="serviceaccount.html">
<b>3.8.1.</b>
ServiceAccount
</a>
</li>
<li class="chapter " data-level="3.8.2" data-path="rbac.html">
<a href="rbac.html">
<b>3.8.2.</b>
RBAC—— 基于角色的访问控制
</a>
</li>
<li class="chapter " data-level="3.8.3" data-path="network-policy.html">
<a href="network-policy.html">
<b>3.8.3.</b>
NetworkPolicy
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9" data-path="storage.html">
<a href="storage.html">
<b>3.9.</b>
存储
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.1" data-path="secret.html">
<a href="secret.html">
<b>3.9.1.</b>
Secret
</a>
</li>
<li class="chapter " data-level="3.9.2" data-path="configmap.html">
<a href="configmap.html">
<b>3.9.2.</b>
ConfigMap
</a>
<ul class="articles">
<li class="chapter " data-level="3.9.2.1" data-path="configmap-hot-update.html">
<a href="configmap-hot-update.html">
<b>3.9.2.1.</b>
ConfigMap 的热更新
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.9.3" data-path="volume.html">
<a href="volume.html">
<b>3.9.3.</b>
Volume
</a>
</li>
<li class="chapter " data-level="3.9.4" data-path="persistent-volume.html">
<a href="persistent-volume.html">
<b>3.9.4.</b>
Persistent Volume持久化卷
</a>
</li>
<li class="chapter " data-level="3.9.5" data-path="storageclass.html">
<a href="storageclass.html">
<b>3.9.5.</b>
Storage Class
</a>
</li>
<li class="chapter " data-level="3.9.6" data-path="local-persistent-storage.html">
<a href="local-persistent-storage.html">
<b>3.9.6.</b>
本地持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.10" data-path="extension.html">
<a href="extension.html">
<b>3.10.</b>
集群扩展
</a>
<ul class="articles">
<li class="chapter " data-level="3.10.1" data-path="custom-resource.html">
<a href="custom-resource.html">
<b>3.10.1.</b>
使用自定义资源扩展 API
</a>
</li>
<li class="chapter " data-level="3.10.2" data-path="crd.html">
<a href="crd.html">
<b>3.10.2.</b>
使用 CRD 扩展 Kubernetes API
</a>
</li>
<li class="chapter " data-level="3.10.3" data-path="aggregated-api-server.html">
<a href="aggregated-api-server.html">
<b>3.10.3.</b>
Aggregated API Server
</a>
</li>
<li class="chapter " data-level="3.10.4" data-path="apiservice.html">
<a href="apiservice.html">
<b>3.10.4.</b>
APIService
</a>
</li>
<li class="chapter " data-level="3.10.5" data-path="service-catalog.html">
<a href="service-catalog.html">
<b>3.10.5.</b>
Service Catalog
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="3.11" data-path="scheduling.html">
<a href="scheduling.html">
<b>3.11.</b>
资源调度
</a>
<ul class="articles">
<li class="chapter " data-level="3.11.1" data-path="qos.html">
<a href="qos.html">
<b>3.11.1.</b>
QoS服务质量等级
</a>
</li>
</ul>
</li>
<li class="header">用户指南</li>
<li class="chapter " data-level="4.1" data-path="../guide/">
<a href="../guide/">
<b>4.1.</b>
用户指南
</a>
</li>
<li class="chapter " data-level="4.2" data-path="../guide/resource-configuration.html">
<a href="../guide/resource-configuration.html">
<b>4.2.</b>
资源对象配置
</a>
<ul class="articles">
<li class="chapter " data-level="4.2.1" data-path="../guide/configure-liveness-readiness-probes.html">
<a href="../guide/configure-liveness-readiness-probes.html">
<b>4.2.1.</b>
配置 Pod 的 liveness 和 readiness 探针
</a>
</li>
<li class="chapter " data-level="4.2.2" data-path="../guide/configure-pod-service-account.html">
<a href="../guide/configure-pod-service-account.html">
<b>4.2.2.</b>
配置 Pod 的 Service Account
</a>
</li>
<li class="chapter " data-level="4.2.3" data-path="../guide/secret-configuration.html">
<a href="../guide/secret-configuration.html">
<b>4.2.3.</b>
Secret 配置
</a>
</li>
<li class="chapter " data-level="4.2.4" data-path="../guide/resource-quota-management.html">
<a href="../guide/resource-quota-management.html">
<b>4.2.4.</b>
管理 namespace 中的资源配额
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.3" data-path="../guide/command-usage.html">
<a href="../guide/command-usage.html">
<b>4.3.</b>
命令使用
</a>
<ul class="articles">
<li class="chapter " data-level="4.3.1" data-path="../guide/docker-cli-to-kubectl.html">
<a href="../guide/docker-cli-to-kubectl.html">
<b>4.3.1.</b>
Docker 用户过渡到 kubectl 命令行指南
</a>
</li>
<li class="chapter " data-level="4.3.2" data-path="../guide/using-kubectl.html">
<a href="../guide/using-kubectl.html">
<b>4.3.2.</b>
kubectl 命令概览
</a>
</li>
<li class="chapter " data-level="4.3.3" data-path="../guide/kubectl-cheatsheet.html">
<a href="../guide/kubectl-cheatsheet.html">
<b>4.3.3.</b>
kubectl 命令技巧大全
</a>
</li>
<li class="chapter " data-level="4.3.4" data-path="../guide/using-etcdctl-to-access-kubernetes-data.html">
<a href="../guide/using-etcdctl-to-access-kubernetes-data.html">
<b>4.3.4.</b>
使用 etcdctl 访问 kubernetes 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.4" data-path="../guide/cluster-security-management.html">
<a href="../guide/cluster-security-management.html">
<b>4.4.</b>
集群安全性管理
</a>
<ul class="articles">
<li class="chapter " data-level="4.4.1" data-path="../guide/managing-tls-in-a-cluster.html">
<a href="../guide/managing-tls-in-a-cluster.html">
<b>4.4.1.</b>
管理集群中的 TLS
</a>
</li>
<li class="chapter " data-level="4.4.2" data-path="../guide/kubelet-authentication-authorization.html">
<a href="../guide/kubelet-authentication-authorization.html">
<b>4.4.2.</b>
kubelet 的认证授权
</a>
</li>
<li class="chapter " data-level="4.4.3" data-path="../guide/tls-bootstrapping.html">
<a href="../guide/tls-bootstrapping.html">
<b>4.4.3.</b>
TLS bootstrap
</a>
</li>
<li class="chapter " data-level="4.4.4" data-path="../guide/kubectl-user-authentication-authorization.html">
<a href="../guide/kubectl-user-authentication-authorization.html">
<b>4.4.4.</b>
创建用户认证授权的 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="4.4.5" data-path="../guide/ip-masq-agent.html">
<a href="../guide/ip-masq-agent.html">
<b>4.4.5.</b>
IP 伪装代理
</a>
</li>
<li class="chapter " data-level="4.4.6" data-path="../guide/auth-with-kubeconfig-or-token.html">
<a href="../guide/auth-with-kubeconfig-or-token.html">
<b>4.4.6.</b>
使用 kubeconfig 或 token 进行用户身份认证
</a>
</li>
<li class="chapter " data-level="4.4.7" data-path="../guide/authentication.html">
<a href="../guide/authentication.html">
<b>4.4.7.</b>
Kubernetes 中的用户与身份认证授权
</a>
</li>
<li class="chapter " data-level="4.4.8" data-path="../guide/kubernetes-security-best-practice.html">
<a href="../guide/kubernetes-security-best-practice.html">
<b>4.4.8.</b>
Kubernetes 集群安全性配置最佳实践
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.5" data-path="../guide/access-kubernetes-cluster.html">
<a href="../guide/access-kubernetes-cluster.html">
<b>4.5.</b>
访问 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="4.5.1" data-path="../guide/access-cluster.html">
<a href="../guide/access-cluster.html">
<b>4.5.1.</b>
访问集群
</a>
</li>
<li class="chapter " data-level="4.5.2" data-path="../guide/authenticate-across-clusters-kubeconfig.html">
<a href="../guide/authenticate-across-clusters-kubeconfig.html">
<b>4.5.2.</b>
使用 kubeconfig 文件配置跨集群认证
</a>
</li>
<li class="chapter " data-level="4.5.3" data-path="../guide/connecting-to-applications-port-forward.html">
<a href="../guide/connecting-to-applications-port-forward.html">
<b>4.5.3.</b>
通过端口转发访问集群中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.4" data-path="../guide/service-access-application-cluster.html">
<a href="../guide/service-access-application-cluster.html">
<b>4.5.4.</b>
使用 service 访问群集中的应用程序
</a>
</li>
<li class="chapter " data-level="4.5.5" data-path="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<a href="../guide/accessing-kubernetes-pods-from-outside-of-the-cluster.html">
<b>4.5.5.</b>
从外部访问 Kubernetes 中的 Pod
</a>
</li>
<li class="chapter " data-level="4.5.6" data-path="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<a href="../guide/cabin-mobile-dashboard-for-kubernetes.html">
<b>4.5.6.</b>
Cabin - Kubernetes 手机客户端
</a>
</li>
<li class="chapter " data-level="4.5.7" data-path="../guide/kubernetes-desktop-client.html">
<a href="../guide/kubernetes-desktop-client.html">
<b>4.5.7.</b>
Kubernetic - Kubernetes 桌面客户端
</a>
</li>
<li class="chapter " data-level="4.5.8" data-path="../guide/kubernator-kubernetes-ui.html">
<a href="../guide/kubernator-kubernetes-ui.html">
<b>4.5.8.</b>
Kubernator - 更底层的 Kubernetes UI
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="4.6" data-path="../guide/application-development-deployment-flow.html">
<a href="../guide/application-development-deployment-flow.html">
<b>4.6.</b>
在 Kubernetes 中开发部署应用
</a>
<ul class="articles">
<li class="chapter " data-level="4.6.1" data-path="../guide/deploy-applications-in-kubernetes.html">
<a href="../guide/deploy-applications-in-kubernetes.html">
<b>4.6.1.</b>
适用于 kubernetes 的应用开发部署流程
</a>
</li>
<li class="chapter " data-level="4.6.2" data-path="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<a href="../guide/migrating-hadoop-yarn-to-kubernetes.html">
<b>4.6.2.</b>
迁移传统应用到 Kubernetes 中 —— 以 Hadoop YARN 为例
</a>
</li>
<li class="chapter " data-level="4.6.3" data-path="../guide/using-statefulset.html">
<a href="../guide/using-statefulset.html">
<b>4.6.3.</b>
使用 StatefulSet 部署用状态应用
</a>
</li>
</ul>
</li>
<li class="header">最佳实践</li>
<li class="chapter " data-level="5.1" data-path="../practice/">
<a href="../practice/">
<b>5.1.</b>
最佳实践概览
</a>
</li>
<li class="chapter " data-level="5.2" data-path="../practice/install-kubernetes-on-centos.html">
<a href="../practice/install-kubernetes-on-centos.html">
<b>5.2.</b>
在 CentOS 上部署 Kubernetes 集群
</a>
<ul class="articles">
<li class="chapter " data-level="5.2.1" data-path="../practice/create-tls-and-secret-key.html">
<a href="../practice/create-tls-and-secret-key.html">
<b>5.2.1.</b>
创建 TLS 证书和秘钥
</a>
</li>
<li class="chapter " data-level="5.2.2" data-path="../practice/create-kubeconfig.html">
<a href="../practice/create-kubeconfig.html">
<b>5.2.2.</b>
创建 kubeconfig 文件
</a>
</li>
<li class="chapter " data-level="5.2.3" data-path="../practice/etcd-cluster-installation.html">
<a href="../practice/etcd-cluster-installation.html">
<b>5.2.3.</b>
创建高可用 etcd 集群
</a>
</li>
<li class="chapter " data-level="5.2.4" data-path="../practice/kubectl-installation.html">
<a href="../practice/kubectl-installation.html">
<b>5.2.4.</b>
安装 kubectl 命令行工具
</a>
</li>
<li class="chapter " data-level="5.2.5" data-path="../practice/master-installation.html">
<a href="../practice/master-installation.html">
<b>5.2.5.</b>
部署 master 节点
</a>
</li>
<li class="chapter " data-level="5.2.6" data-path="../practice/flannel-installation.html">
<a href="../practice/flannel-installation.html">
<b>5.2.6.</b>
安装 flannel 网络插件
</a>
</li>
<li class="chapter " data-level="5.2.7" data-path="../practice/node-installation.html">
<a href="../practice/node-installation.html">
<b>5.2.7.</b>
部署 node 节点
</a>
</li>
<li class="chapter " data-level="5.2.8" data-path="../practice/kubedns-addon-installation.html">
<a href="../practice/kubedns-addon-installation.html">
<b>5.2.8.</b>
安装 kubedns 插件
</a>
</li>
<li class="chapter " data-level="5.2.9" data-path="../practice/dashboard-addon-installation.html">
<a href="../practice/dashboard-addon-installation.html">
<b>5.2.9.</b>
安装 dashboard 插件
</a>
</li>
<li class="chapter " data-level="5.2.10" data-path="../practice/heapster-addon-installation.html">
<a href="../practice/heapster-addon-installation.html">
<b>5.2.10.</b>
安装 heapster 插件
</a>
</li>
<li class="chapter " data-level="5.2.11" data-path="../practice/efk-addon-installation.html">
<a href="../practice/efk-addon-installation.html">
<b>5.2.11.</b>
安装 EFK 插件
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.3" data-path="../practice/install-kubernetes-with-kubeadm.html">
<a href="../practice/install-kubernetes-with-kubeadm.html">
<b>5.3.</b>
生产级的 Kubernetes 简化管理工具 kubeadm
</a>
<ul class="articles">
<li class="chapter " data-level="5.3.1" data-path="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
<a href="../practice/install-kubernetes-on-ubuntu-server-16.04-with-kubeadm.html">
<b>5.3.1.</b>
使用 kubeadm 在 Ubuntu Server 16.04 上快速构建测试集群
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.4" data-path="../practice/service-discovery-and-loadbalancing.html">
<a href="../practice/service-discovery-and-loadbalancing.html">
<b>5.4.</b>
服务发现与负载均衡
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.1" data-path="../practice/traefik-ingress-installation.html">
<a href="../practice/traefik-ingress-installation.html">
<b>5.4.1.</b>
安装 Traefik ingress
</a>
</li>
<li class="chapter " data-level="5.4.2" data-path="../practice/distributed-load-test.html">
<a href="../practice/distributed-load-test.html">
<b>5.4.2.</b>
分布式负载测试
</a>
</li>
<li class="chapter " data-level="5.4.3" data-path="../practice/network-and-cluster-perfermance-test.html">
<a href="../practice/network-and-cluster-perfermance-test.html">
<b>5.4.3.</b>
网络和集群性能测试
</a>
</li>
<li class="chapter " data-level="5.4.4" data-path="../practice/edge-node-configuration.html">
<a href="../practice/edge-node-configuration.html">
<b>5.4.4.</b>
边缘节点配置
</a>
</li>
<li class="chapter " data-level="5.4.5" data-path="../practice/nginx-ingress-installation.html">
<a href="../practice/nginx-ingress-installation.html">
<b>5.4.5.</b>
安装 Nginx ingress
</a>
</li>
<li class="chapter " data-level="5.4.6" data-path="../practice/dns-installation.html">
<a href="../practice/dns-installation.html">
<b>5.4.6.</b>
安装配置 DNS
</a>
<ul class="articles">
<li class="chapter " data-level="5.4.6.1" data-path="../practice/configuring-dns.html">
<a href="../practice/configuring-dns.html">
<b>5.4.6.1.</b>
安装配置 Kube-dns
</a>
</li>
<li class="chapter " data-level="5.4.6.2" data-path="../practice/coredns.html">
<a href="../practice/coredns.html">
<b>5.4.6.2.</b>
安装配置 CoreDNS
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.5" data-path="../practice/operation.html">
<a href="../practice/operation.html">
<b>5.5.</b>
运维管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.5.1" data-path="../practice/master-ha.html">
<a href="../practice/master-ha.html">
<b>5.5.1.</b>
Master 节点高可用
</a>
</li>
<li class="chapter " data-level="5.5.2" data-path="../practice/service-rolling-update.html">
<a href="../practice/service-rolling-update.html">
<b>5.5.2.</b>
服务滚动升级
</a>
</li>
<li class="chapter " data-level="5.5.3" data-path="../practice/app-log-collection.html">
<a href="../practice/app-log-collection.html">
<b>5.5.3.</b>
应用日志收集
</a>
</li>
<li class="chapter " data-level="5.5.4" data-path="../practice/configuration-best-practice.html">
<a href="../practice/configuration-best-practice.html">
<b>5.5.4.</b>
配置最佳实践
</a>
</li>
<li class="chapter " data-level="5.5.5" data-path="../practice/monitor.html">
<a href="../practice/monitor.html">
<b>5.5.5.</b>
集群及应用监控
</a>
</li>
<li class="chapter " data-level="5.5.6" data-path="../practice/data-persistence-problem.html">
<a href="../practice/data-persistence-problem.html">
<b>5.5.6.</b>
数据持久化问题
</a>
</li>
<li class="chapter " data-level="5.5.7" data-path="../practice/manage-compute-resources-container.html">
<a href="../practice/manage-compute-resources-container.html">
<b>5.5.7.</b>
管理容器的计算资源
</a>
</li>
<li class="chapter " data-level="5.5.8" data-path="../practice/federation.html">
<a href="../practice/federation.html">
<b>5.5.8.</b>
集群联邦
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6" data-path="../practice/storage.html">
<a href="../practice/storage.html">
<b>5.6.</b>
存储管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1" data-path="../practice/glusterfs.html">
<a href="../practice/glusterfs.html">
<b>5.6.1.</b>
GlusterFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.1.1" data-path="../practice/using-glusterfs-for-persistent-storage.html">
<a href="../practice/using-glusterfs-for-persistent-storage.html">
<b>5.6.1.1.</b>
使用 GlusterFS 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.1.2" data-path="../practice/using-heketi-gluster-for-persistent-storage.html">
<a href="../practice/using-heketi-gluster-for-persistent-storage.html">
<b>5.6.1.2.</b>
使用 Heketi 作为 Kubernetes 的持久存储 GlusterFS 的 external provisioner
</a>
</li>
<li class="chapter " data-level="5.6.1.3" data-path="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<a href="../practice/storage-for-containers-using-glusterfs-with-openshift.html">
<b>5.6.1.3.</b>
在 OpenShift 中使用 GlusterFS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.2" data-path="../practice/glusterd-2.0.html">
<a href="../practice/glusterd-2.0.html">
<b>5.6.2.</b>
GlusterD-2.0
</a>
</li>
<li class="chapter " data-level="5.6.3" data-path="../practice/ceph.html">
<a href="../practice/ceph.html">
<b>5.6.3.</b>
Ceph
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.3.1" data-path="../practice/ceph-helm-install-guide-zh.html">
<a href="../practice/ceph-helm-install-guide-zh.html">
<b>5.6.3.1.</b>
用 Helm 托管安装 Ceph 集群并提供后端存储
</a>
</li>
<li class="chapter " data-level="5.6.3.2" data-path="../practice/using-ceph-for-persistent-storage.html">
<a href="../practice/using-ceph-for-persistent-storage.html">
<b>5.6.3.2.</b>
使用 Ceph 做持久化存储
</a>
</li>
<li class="chapter " data-level="5.6.3.3" data-path="../practice/rbd-provisioner.html">
<a href="../practice/rbd-provisioner.html">
<b>5.6.3.3.</b>
使用 rbd-provisioner 提供 rbd 持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.4" data-path="../practice/openebs.html">
<a href="../practice/openebs.html">
<b>5.6.4.</b>
OpenEBS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.4.1" data-path="../practice/using-openebs-for-persistent-storage.html">
<a href="../practice/using-openebs-for-persistent-storage.html">
<b>5.6.4.1.</b>
使用 OpenEBS 做持久化存储
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.6.5" data-path="../practice/rook.html">
<a href="../practice/rook.html">
<b>5.6.5.</b>
Rook
</a>
</li>
<li class="chapter " data-level="5.6.6" data-path="../practice/nfs.html">
<a href="../practice/nfs.html">
<b>5.6.6.</b>
NFS
</a>
<ul class="articles">
<li class="chapter " data-level="5.6.6.1" data-path="../practice/using-nfs-for-persistent-storage.html">
<a href="../practice/using-nfs-for-persistent-storage.html">
<b>5.6.6.1.</b>
利用 NFS 动态提供 Kubernetes 后端存储卷
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7" data-path="../practice/monitoring.html">
<a href="../practice/monitoring.html">
<b>5.7.</b>
集群与应用监控
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1" data-path="../practice/heapster.html">
<a href="../practice/heapster.html">
<b>5.7.1.</b>
Heapster
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.1.1" data-path="../practice/using-heapster-to-get-object-metrics.html">
<a href="../practice/using-heapster-to-get-object-metrics.html">
<b>5.7.1.1.</b>
使用 Heapster 获取集群和对象的 metric 数据
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.2" data-path="../practice/prometheus.html">
<a href="../practice/prometheus.html">
<b>5.7.2.</b>
Prometheus
</a>
<ul class="articles">
<li class="chapter " data-level="5.7.2.1" data-path="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<a href="../practice/using-prometheus-to-monitor-kuberentes-cluster.html">
<b>5.7.2.1.</b>
使用 Prometheus 监控 kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.7.2.2" data-path="../practice/promql.html">
<a href="../practice/promql.html">
<b>5.7.2.2.</b>
Prometheus 查询语言 PromQL 使用说明
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.7.3" data-path="../practice/vistio-visualize-your-istio-mesh.html">
<a href="../practice/vistio-visualize-your-istio-mesh.html">
<b>5.7.3.</b>
使用 Vistio 监控 Istio 服务网格中的流量
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.8" data-path="../practice/distributed-tracing.html">
<a href="../practice/distributed-tracing.html">
<b>5.8.</b>
分布式跟踪
</a>
<ul class="articles">
<li class="chapter " data-level="5.8.1" data-path="../practice/opentracing.html">
<a href="../practice/opentracing.html">
<b>5.8.1.</b>
OpenTracing
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.9" data-path="../practice/services-management-tool.html">
<a href="../practice/services-management-tool.html">
<b>5.9.</b>
服务编排管理
</a>
<ul class="articles">
<li class="chapter " data-level="5.9.1" data-path="../practice/helm.html">
<a href="../practice/helm.html">
<b>5.9.1.</b>
使用 Helm 管理 Kubernetes 应用
</a>
</li>
<li class="chapter " data-level="5.9.2" data-path="../practice/create-private-charts-repo.html">
<a href="../practice/create-private-charts-repo.html">
<b>5.9.2.</b>
构建私有 Chart 仓库
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.10" data-path="../practice/ci-cd.html">
<a href="../practice/ci-cd.html">
<b>5.10.</b>
持续集成与发布
</a>
<ul class="articles">
<li class="chapter " data-level="5.10.1" data-path="../practice/jenkins-ci-cd.html">
<a href="../practice/jenkins-ci-cd.html">
<b>5.10.1.</b>
使用 Jenkins 进行持续集成与发布
</a>
</li>
<li class="chapter " data-level="5.10.2" data-path="../practice/drone-ci-cd.html">
<a href="../practice/drone-ci-cd.html">
<b>5.10.2.</b>
使用 Drone 进行持续集成与发布
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.11" data-path="../practice/update-and-upgrade.html">
<a href="../practice/update-and-upgrade.html">
<b>5.11.</b>
更新与升级
</a>
<ul class="articles">
<li class="chapter " data-level="5.11.1" data-path="../practice/manually-upgrade.html">
<a href="../practice/manually-upgrade.html">
<b>5.11.1.</b>
手动升级 Kubernetes 集群
</a>
</li>
<li class="chapter " data-level="5.11.2" data-path="../practice/dashboard-upgrade.html">
<a href="../practice/dashboard-upgrade.html">
<b>5.11.2.</b>
升级 dashboard
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="5.12" data-path="../practice/controller-extended.html">
<a href="../practice/controller-extended.html">
<b>5.12.</b>
扩展控制器
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1" data-path="../practice/openkruise.html">
<a href="../practice/openkruise.html">
<b>5.12.1.</b>
OpenKruise
</a>
<ul class="articles">
<li class="chapter " data-level="5.12.1.1" data-path="../practice/in-place-update.html">
<a href="../practice/in-place-update.html">
<b>5.12.1.1.</b>
原地升级
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="header">领域应用</li>
<li class="chapter " data-level="6.1" data-path="../usecases/">
<a href="../usecases/">
<b>6.1.</b>
领域应用概览
</a>
</li>
<li class="chapter " data-level="6.2" data-path="../usecases/microservices.html">
<a href="../usecases/microservices.html">
<b>6.2.</b>
微服务架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.1" data-path="../usecases/service-discovery-in-microservices.html">
<a href="../usecases/service-discovery-in-microservices.html">
<b>6.2.1.</b>
微服务中的服务发现
</a>
</li>
<li class="chapter " data-level="6.2.2" data-path="../usecases/microservices-for-java-developers.html">
<a href="../usecases/microservices-for-java-developers.html">
<b>6.2.2.</b>
使用 Java 构建微服务并发布到 Kubernetes 平台
</a>
<ul class="articles">
<li class="chapter " data-level="6.2.2.1" data-path="../usecases/spring-boot-quick-start-guide.html">
<a href="../usecases/spring-boot-quick-start-guide.html">
<b>6.2.2.1.</b>
Spring Boot 快速开始指南
</a>
</li>
</ul>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3" data-path="../usecases/service-mesh.html">
<a href="../usecases/service-mesh.html">
<b>6.3.</b>
Service Mesh 服务网格
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1" data-path="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<a href="../usecases/the-enterprise-path-to-service-mesh-architectures.html">
<b>6.3.1.</b>
企业级服务网格架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.1.1" data-path="../usecases/service-mesh-fundamental.html">
<a href="../usecases/service-mesh-fundamental.html">
<b>6.3.1.1.</b>
Service Mesh 基础
</a>
</li>
<li class="chapter " data-level="6.3.1.2" data-path="../usecases/comparing-service-mesh-technologies.html">
<a href="../usecases/comparing-service-mesh-technologies.html">
<b>6.3.1.2.</b>
Service Mesh 技术对比
</a>
</li>
<li class="chapter " data-level="6.3.1.3" data-path="../usecases/service-mesh-adoption-and-evolution.html">
<a href="../usecases/service-mesh-adoption-and-evolution.html">
<b>6.3.1.3.</b>
采纳和演进
</a>
</li>
<li class="chapter " data-level="6.3.1.4" data-path="../usecases/service-mesh-customization-and-integration.html">
<a href="../usecases/service-mesh-customization-and-integration.html">
<b>6.3.1.4.</b>
定制和集成
</a>
</li>
<li class="chapter " data-level="6.3.1.5" data-path="../usecases/service-mesh-conclusion.html">
<a href="../usecases/service-mesh-conclusion.html">
<b>6.3.1.5.</b>
总结
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.2" data-path="../usecases/istio.html">
<a href="../usecases/istio.html">
<b>6.3.2.</b>
Istio
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.2.1" data-path="../usecases/istio-installation.html">
<a href="../usecases/istio-installation.html">
<b>6.3.2.1.</b>
安装并试用 Istio service mesh
</a>
</li>
<li class="chapter " data-level="6.3.2.2" data-path="../usecases/sidecar-spec-in-istio.html">
<a href="../usecases/sidecar-spec-in-istio.html">
<b>6.3.2.2.</b>
Istio 中 sidecar 的注入规范及示例
</a>
</li>
<li class="chapter " data-level="6.3.2.3" data-path="../usecases/istio-community-tips.html">
<a href="../usecases/istio-community-tips.html">
<b>6.3.2.3.</b>
如何参与 Istio 社区及注意事项
</a>
</li>
<li class="chapter " data-level="6.3.2.4" data-path="../usecases/istio-tutorials-collection.html">
<a href="../usecases/istio-tutorials-collection.html">
<b>6.3.2.4.</b>
Istio 免费学习资源汇总
</a>
</li>
<li class="chapter " data-level="6.3.2.5" data-path="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<a href="../usecases/understand-sidecar-injection-and-traffic-hijack-in-istio-service-mesh.html">
<b>6.3.2.5.</b>
Sidecar 的注入与流量劫持
</a>
</li>
<li class="chapter " data-level="6.3.2.6" data-path="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<a href="../usecases/envoy-sidecar-routing-of-istio-service-mesh-deep-dive.html">
<b>6.3.2.6.</b>
Envoy Sidecar 代理的路由转发
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.3" data-path="../usecases/linkerd.html">
<a href="../usecases/linkerd.html">
<b>6.3.3.</b>
Linkerd
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.3.1" data-path="../usecases/linkerd-user-guide.html">
<a href="../usecases/linkerd-user-guide.html">
<b>6.3.3.1.</b>
Linkerd 使用指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.4" data-path="../usecases/conduit.html">
<a href="../usecases/conduit.html">
<b>6.3.4.</b>
Conduit
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.4.1" data-path="../usecases/conduit-overview.html">
<a href="../usecases/conduit-overview.html">
<b>6.3.4.1.</b>
Condiut 概览
</a>
</li>
<li class="chapter " data-level="6.3.4.2" data-path="../usecases/conduit-installation.html">
<a href="../usecases/conduit-installation.html">
<b>6.3.4.2.</b>
安装 Conduit
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.5" data-path="../usecases/envoy.html">
<a href="../usecases/envoy.html">
<b>6.3.5.</b>
Envoy
</a>
<ul class="articles">
<li class="chapter " data-level="6.3.5.1" data-path="../usecases/envoy-terminology.html">
<a href="../usecases/envoy-terminology.html">
<b>6.3.5.1.</b>
Envoy 的架构与基本术语
</a>
</li>
<li class="chapter " data-level="6.3.5.2" data-path="../usecases/envoy-front-proxy.html">
<a href="../usecases/envoy-front-proxy.html">
<b>6.3.5.2.</b>
Envoy 作为前端代理
</a>
</li>
<li class="chapter " data-level="6.3.5.3" data-path="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<a href="../usecases/envoy-mesh-in-kubernetes-tutorial.html">
<b>6.3.5.3.</b>
Envoy mesh 教程
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.3.6" data-path="../usecases/mosn.html">
<a href="../usecases/mosn.html">
<b>6.3.6.</b>
MOSN
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.4" data-path="../usecases/big-data.html">
<a href="../usecases/big-data.html">
<b>6.4.</b>
大数据
</a>
<ul class="articles">
<li class="chapter " data-level="6.4.1" data-path="../usecases/spark-standalone-on-kubernetes.html">
<a href="../usecases/spark-standalone-on-kubernetes.html">
<b>6.4.1.</b>
Spark standalone on Kubernetes
</a>
</li>
<li class="chapter " data-level="6.4.2" data-path="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<a href="../usecases/running-spark-with-kubernetes-native-scheduler.html">
<b>6.4.2.</b>
运行支持 Kubernetes 原生调度的 Spark 程序
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5" data-path="../usecases/serverless.html">
<a href="../usecases/serverless.html">
<b>6.5.</b>
Serverless 架构
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.1" data-path="../usecases/understanding-serverless.html">
<a href="../usecases/understanding-serverless.html">
<b>6.5.1.</b>
理解 Serverless
</a>
</li>
<li class="chapter " data-level="6.5.2" data-path="../usecases/faas.html">
<a href="../usecases/faas.html">
<b>6.5.2.</b>
FaaS函数即服务
</a>
<ul class="articles">
<li class="chapter " data-level="6.5.2.1" data-path="../usecases/openfaas-quick-start.html">
<a href="../usecases/openfaas-quick-start.html">
<b>6.5.2.1.</b>
OpenFaaS 快速入门指南
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.5.3" data-path="../usecases/knative.html">
<a href="../usecases/knative.html">
<b>6.5.3.</b>
Knative
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.6" data-path="../usecases/cloud-native-app-standard.html">
<a href="../usecases/cloud-native-app-standard.html">
<b>6.6.</b>
云原生应用标准
</a>
<ul class="articles">
<li class="chapter " data-level="6.6.1" data-path="../usecases/oam.html">
<a href="../usecases/oam.html">
<b>6.6.1.</b>
OAM开放应用模型
</a>
</li>
<li class="chapter " data-level="6.6.2" data-path="../usecases/crossplane.html">
<a href="../usecases/crossplane.html">
<b>6.6.2.</b>
Crossplane
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="6.7" data-path="../usecases/edge-computing.html">
<a href="../usecases/edge-computing.html">
<b>6.7.</b>
边缘计算
</a>
</li>
<li class="chapter " data-level="6.8" data-path="../usecases/ai.html">
<a href="../usecases/ai.html">
<b>6.8.</b>
人工智能
</a>
</li>
<li class="header">开发指南</li>
<li class="chapter " data-level="7.1" data-path="../develop/">
<a href="../develop/">
<b>7.1.</b>
开发指南概览
</a>
</li>
<li class="chapter " data-level="7.2" data-path="../develop/sigs-and-working-group.html">
<a href="../develop/sigs-and-working-group.html">
<b>7.2.</b>
SIG 和工作组
</a>
</li>
<li class="chapter " data-level="7.3" data-path="../develop/developing-environment.html">
<a href="../develop/developing-environment.html">
<b>7.3.</b>
开发环境搭建
</a>
<ul class="articles">
<li class="chapter " data-level="7.3.1" data-path="../develop/using-vagrant-and-virtualbox-for-development.html">
<a href="../develop/using-vagrant-and-virtualbox-for-development.html">
<b>7.3.1.</b>
本地分布式开发环境搭建(使用 Vagrant 和 Virtualbox
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.4" data-path="../develop/testing.html">
<a href="../develop/testing.html">
<b>7.4.</b>
单元测试和集成测试
</a>
</li>
<li class="chapter " data-level="7.5" data-path="../develop/client-go-sample.html">
<a href="../develop/client-go-sample.html">
<b>7.5.</b>
client-go 示例
</a>
</li>
<li class="chapter " data-level="7.6" data-path="../develop/operator.html">
<a href="../develop/operator.html">
<b>7.6.</b>
Operator
</a>
<ul class="articles">
<li class="chapter " data-level="7.6.1" data-path="../develop/operator-sdk.html">
<a href="../develop/operator-sdk.html">
<b>7.6.1.</b>
operator-sdk
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.7" data-path="../develop/kubebuilder.html">
<a href="../develop/kubebuilder.html">
<b>7.7.</b>
kubebuilder
</a>
<ul class="articles">
<li class="chapter " data-level="7.7.1" data-path="../develop/kubebuilder-example.html">
<a href="../develop/kubebuilder-example.html">
<b>7.7.1.</b>
使用 kubebuilder 创建 operator 示例
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="7.8" data-path="../develop/advance-developer.html">
<a href="../develop/advance-developer.html">
<b>7.8.</b>
高级开发指南
</a>
</li>
<li class="chapter " data-level="7.9" data-path="../develop/contribute.html">
<a href="../develop/contribute.html">
<b>7.9.</b>
社区贡献
</a>
</li>
<li class="chapter " data-level="7.10" data-path="../develop/minikube.html">
<a href="../develop/minikube.html">
<b>7.10.</b>
Minikube
</a>
</li>
<li class="header">CNCF云原生计算基金会</li>
<li class="chapter " data-level="8.1" data-path="../cloud-native/cncf.html">
<a href="../cloud-native/cncf.html">
<b>8.1.</b>
CNCF - 云原生计算基金会简介
</a>
</li>
<li class="chapter " data-level="8.2" data-path="../cloud-native/cncf-charter.html">
<a href="../cloud-native/cncf-charter.html">
<b>8.2.</b>
CNCF 章程
</a>
</li>
<li class="chapter " data-level="8.3" data-path="../cloud-native/cncf-sig.html">
<a href="../cloud-native/cncf-sig.html">
<b>8.3.</b>
CNCF 特别兴趣小组SIG说明
</a>
</li>
<li class="chapter " data-level="8.4" data-path="../cloud-native/cncf-sandbox-criteria.html">
<a href="../cloud-native/cncf-sandbox-criteria.html">
<b>8.4.</b>
开源项目加入 CNCF Sandbox 的要求
</a>
</li>
<li class="chapter " data-level="8.5" data-path="../cloud-native/cncf-project-governing.html">
<a href="../cloud-native/cncf-project-governing.html">
<b>8.5.</b>
CNCF 中的项目治理
</a>
</li>
<li class="chapter " data-level="8.6" data-path="../cloud-native/cncf-ambassador.html">
<a href="../cloud-native/cncf-ambassador.html">
<b>8.6.</b>
CNCF Ambassador
</a>
</li>
<li class="header">附录</li>
<li class="chapter " data-level="9.1" data-path="../appendix/">
<a href="../appendix/">
<b>9.1.</b>
附录说明
</a>
</li>
<li class="chapter " data-level="9.2" data-path="../appendix/debug-kubernetes-services.html">
<a href="../appendix/debug-kubernetes-services.html">
<b>9.2.</b>
Kubernetes 中的应用故障排查
</a>
</li>
<li class="chapter " data-level="9.3" data-path="../appendix/material-share.html">
<a href="../appendix/material-share.html">
<b>9.3.</b>
Kubernetes 相关资讯和情报链接
</a>
</li>
<li class="chapter " data-level="9.4" data-path="../appendix/docker-best-practice.html">
<a href="../appendix/docker-best-practice.html">
<b>9.4.</b>
Docker 最佳实践
</a>
</li>
<li class="chapter " data-level="9.5" data-path="../appendix/tricks.html">
<a href="../appendix/tricks.html">
<b>9.5.</b>
使用技巧
</a>
</li>
<li class="chapter " data-level="9.6" data-path="../appendix/issues.html">
<a href="../appendix/issues.html">
<b>9.6.</b>
问题记录
</a>
</li>
<li class="chapter " data-level="9.7" data-path="../appendix/kubernetes-changelog.html">
<a href="../appendix/kubernetes-changelog.html">
<b>9.7.</b>
Kubernetes 版本更新日志
</a>
<ul class="articles">
<li class="chapter " data-level="9.7.1" data-path="../appendix/kubernetes-1.7-changelog.html">
<a href="../appendix/kubernetes-1.7-changelog.html">
<b>9.7.1.</b>
Kubernetes1.7 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.2" data-path="../appendix/kubernetes-1.8-changelog.html">
<a href="../appendix/kubernetes-1.8-changelog.html">
<b>9.7.2.</b>
Kubernetes1.8 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.3" data-path="../appendix/kubernetes-1.9-changelog.html">
<a href="../appendix/kubernetes-1.9-changelog.html">
<b>9.7.3.</b>
Kubernetes1.9 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.4" data-path="../appendix/kubernetes-1.10-changelog.html">
<a href="../appendix/kubernetes-1.10-changelog.html">
<b>9.7.4.</b>
Kubernetes1.10 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.5" data-path="../appendix/kubernetes-1.11-changelog.html">
<a href="../appendix/kubernetes-1.11-changelog.html">
<b>9.7.5.</b>
Kubernetes1.11 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.6" data-path="../appendix/kubernetes-1.12-changelog.html">
<a href="../appendix/kubernetes-1.12-changelog.html">
<b>9.7.6.</b>
Kubernetes1.12 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.7" data-path="../appendix/kubernetes-1.13-changelog.html">
<a href="../appendix/kubernetes-1.13-changelog.html">
<b>9.7.7.</b>
Kubernetes1.13 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.8" data-path="../appendix/kubernetes-1.14-changelog.html">
<a href="../appendix/kubernetes-1.14-changelog.html">
<b>9.7.8.</b>
Kubernetes1.14 更新日志
</a>
</li>
<li class="chapter " data-level="9.7.9" data-path="../appendix/kubernetes-1.15-changelog.html">
<a href="../appendix/kubernetes-1.15-changelog.html">
<b>9.7.9.</b>
Kubernetes1.15 更新日志
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.8" data-path="../appendix/summary-and-outlook.html">
<a href="../appendix/summary-and-outlook.html">
<b>9.8.</b>
Kubernetes 及云原生年度总结及展望
</a>
<ul class="articles">
<li class="chapter " data-level="9.8.1" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2017-and-outlook-for-2018.html">
<b>9.8.1.</b>
Kubernetes 与云原生 2017 年年终总结及 2018 年展望
</a>
</li>
<li class="chapter " data-level="9.8.2" data-path="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
<a href="../appendix/kubernetes-and-cloud-native-summary-in-2018-and-outlook-for-2019.html">
<b>9.8.2.</b>
Kubernetes 与云原生 2018 年年终总结及 2019 年展望
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.9" data-path="../appendix/cncf-annual-report.html">
<a href="../appendix/cncf-annual-report.html">
<b>9.9.</b>
CNCF 年度报告解读
</a>
<ul class="articles">
<li class="chapter " data-level="9.9.1" data-path="../appendix/cncf-annual-report-2018.html">
<a href="../appendix/cncf-annual-report-2018.html">
<b>9.9.1.</b>
CNCF 2018 年年度报告解读
</a>
</li>
</ul>
</li>
<li class="chapter " data-level="9.10" data-path="../appendix/about-kcsp.html">
<a href="../appendix/about-kcsp.html">
<b>9.10.</b>
Kubernetes 认证服务提供商KCSP说明
</a>
</li>
<li class="chapter " data-level="9.11" data-path="../appendix/about-cka-candidate.html">
<a href="../appendix/about-cka-candidate.html">
<b>9.11.</b>
认证 Kubernetes 管理员CKA说明
</a>
</li>
<li class="divider"></li>
<li>
<a href="https://www.gitbook.com" target="blank" class="gitbook-link">
本书使用 GitBook 发布
</a>
</li>
</ul>
</nav>
</div>
<div class="book-body">
<div class="body-inner">
<div class="book-header" role="navigation">
<!-- Title -->
<h1>
<i class="fa fa-circle-o-notch fa-spin"></i>
<a href=".." >Pod 中断与 PDBPod 中断预算)</a>
</h1>
</div>
<div class="page-wrapper" tabindex="-1" role="main">
<div class="page-inner">
<div class="search-plus" id="book-search-results">
<div class="search-noresults">
<section class="normal markdown-section">
<h1 id="pod&#x4E2D;&#x65AD;&#x4E0E;pdb&#xFF08;pod&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF09;">Pod&#x4E2D;&#x65AD;&#x4E0E;PDB&#xFF08;Pod&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF09;</h1>
<p>&#x8FD9;&#x7BC7;&#x6587;&#x6863;&#x9002;&#x7528;&#x4E8E;&#x8981;&#x6784;&#x5EFA;&#x9AD8;&#x53EF;&#x7528;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x6240;&#x6709;&#x8005;&#xFF0C;&#x56E0;&#x6B64;&#x4ED6;&#x4EEC;&#x9700;&#x8981;&#x4E86;&#x89E3; Pod &#x53EF;&#x80FD;&#x53D1;&#x751F;&#x4EC0;&#x4E48;&#x7C7B;&#x578B;&#x7684;&#x4E2D;&#x65AD;&#x3002;&#x4E5F;&#x9002;&#x7528;&#x4E8E;&#x8981;&#x6267;&#x884C;&#x81EA;&#x52A8;&#x96C6;&#x7FA4;&#x64CD;&#x4F5C;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#xFF0C;&#x5982;&#x5347;&#x7EA7;&#x548C;&#x96C6;&#x7FA4;&#x81EA;&#x52A8;&#x6269;&#x5BB9;&#x3002;</p>
<h2 id="&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x548C;&#x975E;&#x81EA;&#x613F;&#x4E2D;&#x65AD;">&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x548C;&#x975E;&#x81EA;&#x613F;&#x4E2D;&#x65AD;</h2>
<p>Pod &#x4E0D;&#x4F1A;&#x6D88;&#x5931;&#xFF0C;&#x76F4;&#x5230;&#x6709;&#x4EBA;&#xFF08;&#x4EBA;&#x7C7B;&#x6216;&#x63A7;&#x5236;&#x5668;&#xFF09;&#x5C06;&#x5176;&#x9500;&#x6BC1;&#xFF0C;&#x6216;&#x8005;&#x5F53;&#x51FA;&#x73B0;&#x4E0D;&#x53EF;&#x907F;&#x514D;&#x7684;&#x786C;&#x4EF6;&#x6216;&#x7CFB;&#x7EDF;&#x8F6F;&#x4EF6;&#x9519;&#x8BEF;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x628A;&#x8FD9;&#x4E9B;&#x4E0D;&#x53EF;&#x907F;&#x514D;&#x7684;&#x60C5;&#x51B5;&#x79F0;&#x4E3A;&#x5E94;&#x7528;&#x7684;&#x975E;&#x81EA;&#x613F;&#x6027;&#x4E2D;&#x65AD;&#x3002;&#x4F8B;&#x5982;&#xFF1A;</p>
<ul>
<li>&#x540E;&#x7AEF;&#x8282;&#x70B9;&#x7269;&#x7406;&#x673A;&#x7684;&#x786C;&#x4EF6;&#x6545;&#x969C;</li>
<li>&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x9519;&#x8BEF;&#x5730;&#x5220;&#x9664;&#x865A;&#x62DF;&#x673A;&#xFF08;&#x5B9E;&#x4F8B;&#xFF09;</li>
<li>&#x4E91;&#x63D0;&#x4F9B;&#x5546;&#x6216;&#x7BA1;&#x7406;&#x7A0B;&#x5E8F;&#x6545;&#x969C;&#x4F7F;&#x865A;&#x62DF;&#x673A;&#x6D88;&#x5931;</li>
<li>&#x5185;&#x6838;&#x6050;&#x614C;&#xFF08;kernel panic&#xFF09;</li>
<li>&#x8282;&#x70B9;&#x7531;&#x4E8E;&#x96C6;&#x7FA4;&#x7F51;&#x7EDC;&#x5206;&#x533A;&#x800C;&#x4ECE;&#x96C6;&#x7FA4;&#x4E2D;&#x6D88;&#x5931;</li>
<li>&#x7531;&#x4E8E;&#x8282;&#x70B9;<a href="https://kubernetes.io/docs/tasks/administer-cluster/out-of-resource" target="_blank">&#x8D44;&#x6E90;&#x4E0D;&#x8DB3;</a>&#x800C;&#x5C06;&#x5BB9;&#x5668;&#x9010;&#x51FA;</li>
</ul>
<p>&#x9664;&#x8D44;&#x6E90;&#x4E0D;&#x8DB3;&#x7684;&#x60C5;&#x51B5;&#x5916;&#xFF0C;&#x5927;&#x591A;&#x6570;&#x7528;&#x6237;&#x5E94;&#x8BE5;&#x90FD;&#x719F;&#x6089;&#x4EE5;&#x4E0B;&#x8FD9;&#x4E9B;&#x60C5;&#x51B5;&#xFF1B;&#x5B83;&#x4EEC;&#x4E0D;&#x662F;&#x7279;&#x5B9A;&#x4E8E; Kubernetes &#x7684;&#x3002;</p>
<p>&#x6211;&#x4EEC;&#x79F0;&#x8FD9;&#x4E9B;&#x60C5;&#x51B5;&#x4E3A;&#x201D;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x201C;&#x3002;&#x5305;&#x62EC;&#x7531;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x53D1;&#x8D77;&#x7684;&#x64CD;&#x4F5C;&#x548C;&#x7531;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x53D1;&#x8D77;&#x7684;&#x64CD;&#x4F5C;&#x3002;&#x5178;&#x578B;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x64CD;&#x4F5C;&#x5305;&#x62EC;&#xFF1A;</p>
<ul>
<li>&#x5220;&#x9664;&#x7BA1;&#x7406;&#x8BE5; pod &#x7684; Deployment &#x6216;&#x5176;&#x4ED6;&#x63A7;&#x5236;&#x5668;</li>
<li>&#x66F4;&#x65B0;&#x4E86; Deployment &#x7684; pod &#x6A21;&#x677F;&#x5BFC;&#x81F4; pod &#x91CD;&#x542F;</li>
<li>&#x76F4;&#x63A5;&#x5220;&#x9664; pod&#xFF08;&#x610F;&#x5916;&#x5220;&#x9664;&#xFF09;</li>
</ul>
<p>&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x64CD;&#x4F5C;&#x5305;&#x62EC;&#xFF1A;</p>
<ul>
<li><a href="https://kubernetes.io/docs//tasks/administer-cluster/safely-drain-node" target="_blank">&#x6392;&#x7A7A;&#xFF08;drain&#xFF09;&#x8282;&#x70B9;</a>&#x8FDB;&#x884C;&#x4FEE;&#x590D;&#x6216;&#x5347;&#x7EA7;&#x3002;</li>
<li>&#x4ECE;&#x96C6;&#x7FA4;&#x4E2D;&#x6392;&#x7A7A;&#x8282;&#x70B9;&#x4EE5;&#x7F29;&#x5C0F;&#x96C6;&#x7FA4;&#xFF08;&#x4E86;&#x89E3;<a href="https://kubernetes.io/docs/tasks/administer-cluster/cluster-management/#cluster-autoscaler" target="_blank">&#x96C6;&#x7FA4;&#x81EA;&#x52A8;&#x8C03;&#x8282;</a>&#xFF09;&#x3002;</li>
<li>&#x4ECE;&#x8282;&#x70B9;&#x4E2D;&#x79FB;&#x9664;&#x4E00;&#x4E2A; pod&#xFF0C;&#x4EE5;&#x5141;&#x8BB8;&#x5176;&#x4ED6; pod &#x4F7F;&#x7528;&#x8BE5;&#x8282;&#x70B9;&#x3002;</li>
</ul>
<p>&#x8FD9;&#x4E9B;&#x64CD;&#x4F5C;&#x53EF;&#x80FD;&#x7531;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x76F4;&#x63A5;&#x6267;&#x884C;&#xFF0C;&#x4E5F;&#x53EF;&#x80FD;&#x7531;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x6216;&#x96C6;&#x7FA4;&#x6258;&#x7BA1;&#x63D0;&#x4F9B;&#x5546;&#x81EA;&#x52A8;&#x6267;&#x884C;&#x3002;</p>
<p>&#x8BE2;&#x95EE;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x6216;&#x54A8;&#x8BE2;&#x60A8;&#x7684;&#x4E91;&#x63D0;&#x4F9B;&#x5546;&#x6216;&#x53D1;&#x884C;&#x6587;&#x6863;&#xFF0C;&#x4EE5;&#x786E;&#x5B9A;&#x662F;&#x5426;&#x4E3A;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x542F;&#x7528;&#x4E86;&#x4EFB;&#x4F55;&#x81EA;&#x52A8;&#x4E2D;&#x65AD;&#x6E90;&#x3002;&#x5982;&#x679C;&#x6CA1;&#x6709;&#x542F;&#x7528;&#xFF0C;&#x60A8;&#x53EF;&#x4EE5;&#x8DF3;&#x8FC7;&#x521B;&#x5EFA; Pod Disruption Budget&#xFF08;Pod &#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF09;&#x3002;</p>
<h2 id="&#x5904;&#x7406;&#x4E2D;&#x65AD;">&#x5904;&#x7406;&#x4E2D;&#x65AD;</h2>
<p>&#x4EE5;&#x4E0B;&#x662F;&#x4E00;&#x4E9B;&#x51CF;&#x8F7B;&#x975E;&#x81EA;&#x613F;&#x6027;&#x4E2D;&#x65AD;&#x7684;&#x65B9;&#x6CD5;&#xFF1A;</p>
<ul>
<li>&#x786E;&#x4FDD;&#x60A8;&#x7684; pod <a href="https://kubernetes.io/docs/tasks/configure-pod-container/assign-cpu-ram-container" target="_blank">&#x8BF7;&#x6C42;&#x6240;&#x9700;&#x7684;&#x8D44;&#x6E90;</a>&#x3002;</li>
<li>&#x5982;&#x679C;&#x60A8;&#x9700;&#x8981;&#x66F4;&#x9AD8;&#x7684;&#x53EF;&#x7528;&#x6027;&#xFF0C;&#x8BF7;&#x590D;&#x5236;&#x60A8;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x3002; &#xFF08;&#x4E86;&#x89E3;&#x6709;&#x5173;&#x8FD0;&#x884C;&#x590D;&#x5236;&#x7684;<a href="https://kubernetes.io/docs/tasks/run-application/run-stateless-application-deployment" target="_blank">&#x65E0;&#x72B6;&#x6001;</a>&#x548C;<a href="https://kubernetes.io/docs/tasks/run-application/run-replicated-stateful-application" target="_blank">&#x6709;&#x72B6;&#x6001;</a>&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x4FE1;&#x606F;&#x3002;&#xFF09;</li>
<li>&#x4E3A;&#x4E86;&#x5728;&#x8FD0;&#x884C;&#x590D;&#x5236;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x65F6;&#x83B7;&#x5F97;&#x66F4;&#x9AD8;&#x7684;&#x53EF;&#x7528;&#x6027;&#xFF0C;&#x8BF7;&#x8DE8;&#x673A;&#x67B6;&#xFF08;&#x4F7F;&#x7528;<a href="https://kubernetes.io/docs/user-guide/node-selection/#inter-pod-affinity-and-anti-affinity-beta-feature" target="_blank">&#x53CD;&#x4EB2;&#x548C;&#x6027;</a>&#xFF09;&#x6216;&#x8DE8;&#x533A;&#x57DF;&#xFF08;&#x5982;&#x679C;&#x4F7F;&#x7528;&#x591A;&#x533A;&#x57DF;&#x96C6;&#x7FA4;&#xFF09;&#x5206;&#x5E03;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x3002;</li>
</ul>
<p>&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x7684;&#x9891;&#x7387;&#x5404;&#x4E0D;&#x76F8;&#x540C;&#x3002;&#x5728; Kubernetes &#x96C6;&#x7FA4;&#x4E0A;&#xFF0C;&#x6839;&#x672C;&#x6CA1;&#x6709;&#x81EA;&#x613F;&#x7684;&#x4E2D;&#x65AD;&#x3002;&#x4F46;&#x662F;&#xFF0C;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x6216;&#x6258;&#x7BA1;&#x63D0;&#x4F9B;&#x5546;&#x53EF;&#x80FD;&#x4F1A;&#x8FD0;&#x884C;&#x4E00;&#x4E9B;&#x5BFC;&#x81F4;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x7684;&#x9644;&#x52A0;&#x670D;&#x52A1;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x8282;&#x70B9;&#x8F6F;&#x4EF6;&#x66F4;&#x65B0;&#x53EF;&#x80FD;&#x5BFC;&#x81F4;&#x81EA;&#x613F;&#x66F4;&#x65B0;&#x3002;&#x53E6;&#x5916;&#xFF0C;&#x96C6;&#x7FA4;&#xFF08;&#x8282;&#x70B9;&#xFF09;&#x81EA;&#x52A8;&#x7F29;&#x653E;&#x7684;&#x67D0;&#x4E9B;&#x5B9E;&#x73B0;&#x53EF;&#x80FD;&#x4F1A;&#x5BFC;&#x81F4;&#x788E;&#x7247;&#x6574;&#x7406;&#x548C;&#x7D27;&#x7F29;&#x8282;&#x70B9;&#x7684;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x3002;&#x60A8;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x6216;&#x4E3B;&#x673A;&#x63D0;&#x4F9B;&#x5546;&#x5E94;&#x8BE5;&#x5DF2;&#x7ECF;&#x8BB0;&#x5F55;&#x4E86;&#x671F;&#x671B;&#x7684;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x7EA7;&#x522B;&#xFF08;&#x5982;&#x679C;&#x6709;&#x7684;&#x8BDD;&#xFF09;&#x3002;</p>
<p>Kubernetes &#x63D0;&#x4F9B;&#x7684;&#x529F;&#x80FD;&#x53EF;&#x4EE5;&#x6EE1;&#x8DB3;&#x5728;&#x9891;&#x7E41;&#x5730;&#x81EA;&#x52A8;&#x4E2D;&#x65AD;&#x7684;&#x540C;&#x65F6;&#x8FD0;&#x884C;&#x9AD8;&#x53EF;&#x7528;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x3002;&#x6211;&#x4EEC;&#x79F0;&#x4E4B;&#x4E3A;&#x201C;&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#x201D;&#x3002;</p>
<h2 id="&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#x7684;&#x5DE5;&#x4F5C;&#x539F;&#x7406;">&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#x7684;&#x5DE5;&#x4F5C;&#x539F;&#x7406;</h2>
<p>&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x53EF;&#x4EE5;&#x4E3A;&#x6BCF;&#x4E2A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x521B;&#x5EFA;&#x4E00;&#x4E2A; <code>PodDisruptionBudget</code> &#x5BF9;&#x8C61;&#xFF08;PDB&#xFF09;&#x3002; PDB &#x5C06;&#x9650;&#x5236;&#x5728;&#x540C;&#x4E00;&#x65F6;&#x95F4;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x7684;&#x590D;&#x5236;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x4E2D;&#x5B95;&#x673A;&#x7684; Pod &#x7684;&#x6570;&#x91CF;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x57FA;&#x4E8E;&#x5B9A;&#x989D;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x5E0C;&#x671B;&#x786E;&#x4FDD;&#x8FD0;&#x884C;&#x7684;&#x526F;&#x672C;&#x6570;&#x91CF;&#x6C38;&#x8FDC;&#x4E0D;&#x4F1A;&#x4F4E;&#x4E8E;&#x4EF2;&#x88C1;&#x6240;&#x9700;&#x7684;&#x6570;&#x91CF;&#x3002;Web &#x524D;&#x7AEF;&#x53EF;&#x80FD;&#x5E0C;&#x671B;&#x786E;&#x4FDD;&#x63D0;&#x4F9B;&#x8D1F;&#x8F7D;&#x7684;&#x526F;&#x672C;&#x7684;&#x6570;&#x91CF;&#x6C38;&#x8FDC;&#x4E0D;&#x4F1A;&#x4F4E;&#x4E8E;&#x603B;&#x6570;&#x7684;&#x67D0;&#x4E2A;&#x767E;&#x5206;&#x6BD4;&#x3002;</p>
<p>&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5668;&#x548C;&#x6258;&#x7BA1;&#x63D0;&#x4F9B;&#x5546;&#x5E94;&#x4F7F;&#x7528;&#x9075;&#x5FAA; <code>Pod Disruption Budgets</code> &#x7684;&#x5DE5;&#x5177;&#xFF0C;&#x65B9;&#x6CD5;&#x662F;&#x8C03;&#x7528;<a href="https://kubernetes.io/docs/tasks/administer-cluster/safely-drain-node/#the-eviction-api" target="_blank">Eviction API</a>&#x800C;&#x4E0D;&#x662F;&#x76F4;&#x63A5;&#x5220;&#x9664; Pod&#x3002;&#x4F8B;&#x5982; <code>kubectl drain</code> &#x547D;&#x4EE4;&#x548C; Kubernetes-on-GCE &#x96C6;&#x7FA4;&#x5347;&#x7EA7;&#x811A;&#x672C;&#xFF08;<code>cluster/gce/upgrade.sh</code>&#xFF09;&#x3002;</p>
<p>&#x5F53;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x60F3;&#x8981;&#x6392;&#x7A7A;&#x8282;&#x70B9;&#x65F6;&#xFF0C;&#x53EF;&#x4EE5;&#x4F7F;&#x7528; <code>kubectl drain</code> &#x547D;&#x4EE4;&#x3002;&#x8BE5;&#x547D;&#x4EE4;&#x4F1A;&#x8BD5;&#x56FE;&#x9A71;&#x9010;&#x673A;&#x5668;&#x4E0A;&#x7684;&#x6240;&#x6709; pod&#x3002;&#x9A71;&#x9010;&#x8BF7;&#x6C42;&#x53EF;&#x80FD;&#x4F1A;&#x6682;&#x65F6;&#x88AB;&#x62D2;&#x7EDD;&#xFF0C;&#x5E76;&#x4E14;&#x8BE5;&#x5DE5;&#x5177;&#x4F1A;&#x5B9A;&#x671F;&#x91CD;&#x8BD5;&#x6240;&#x6709;&#x5931;&#x8D25;&#x7684;&#x8BF7;&#x6C42;&#xFF0C;&#x76F4;&#x5230;&#x6240;&#x6709;&#x7684; pod &#x90FD;&#x88AB;&#x7EC8;&#x6B62;&#xFF0C;&#x6216;&#x8005;&#x76F4;&#x5230;&#x8FBE;&#x5230;&#x914D;&#x7F6E;&#x7684;&#x8D85;&#x65F6;&#x65F6;&#x95F4;&#x3002;</p>
<p>PDB &#x6307;&#x5B9A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x53EF;&#x4EE5;&#x5BB9;&#x5FCD;&#x7684;&#x526F;&#x672C;&#x7684;&#x6570;&#x91CF;&#xFF0C;&#x76F8;&#x5BF9;&#x4E8E;&#x5E94;&#x8BE5;&#x6709;&#x591A;&#x5C11;&#x526F;&#x672C;&#x3002;&#x4F8B;&#x5982;&#xFF0C;&#x5177;&#x6709; <code>spec.replicas&#xFF1A;5</code> &#x7684; Deployment &#x5728;&#x4EFB;&#x4F55;&#x7ED9;&#x5B9A;&#x7684;&#x65F6;&#x95F4;&#x90FD;&#x5E94;&#x8BE5;&#x6709; 5 &#x4E2A; Pod&#x3002;&#x5982;&#x679C;&#x5176; PDB &#x5141;&#x8BB8;&#x5728;&#x67D0;&#x4E00;&#x65F6;&#x523B;&#x6709; 4 &#x4E2A;&#x526F;&#x672C;&#xFF0C;&#x90A3;&#x4E48;&#x9A71;&#x9010; API &#x5C06;&#x53EA;&#x5141;&#x8BB8;&#x4EC5;&#x6709;&#x4E00;&#x4E2A;&#x800C;&#x4E0D;&#x662F;&#x4E24;&#x4E2A; Pod &#x81EA;&#x613F;&#x4E2D;&#x65AD;&#x3002;</p>
<p>&#x4F7F;&#x7528;&#x6807;&#x7B7E;&#x9009;&#x62E9;&#x5668;&#x6765;&#x6307;&#x5B9A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x4E00;&#x7EC4; pod&#xFF0C;&#x8FD9;&#x4E0E;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x63A7;&#x5236;&#x5668;&#xFF08;Deployment&#x3001;StatefulSet &#x7B49;&#xFF09;&#x4F7F;&#x7528;&#x7684;&#x76F8;&#x540C;&#x3002;</p>
<p>Pod &#x63A7;&#x5236;&#x5668;&#x7684; <code>.spec.replicas</code> &#x8BA1;&#x7B97;&#x201C;&#x9884;&#x671F;&#x7684;&#x201D; pod &#x6570;&#x91CF;&#x3002;&#x4F7F;&#x7528;&#x5BF9;&#x8C61;&#x7684; <code>.metadata.ownerReferences</code> &#x503C;&#x4ECE;&#x63A7;&#x5236;&#x5668;&#x83B7;&#x53D6;&#x3002;</p>
<p>PDB &#x4E0D;&#x80FD;&#x963B;&#x6B62;<a href="https://kubernetes.io/docs/concepts/workloads/pods/disruptions/#voluntary-and-involuntary-disruptions" target="_blank">&#x975E;&#x81EA;&#x613F;&#x4E2D;&#x65AD;</a>&#x7684;&#x53D1;&#x751F;&#xFF0C;&#x4F46;&#x662F;&#x5B83;&#x4EEC;&#x786E;&#x5B9E;&#x4F1A;&#x5F71;&#x54CD;&#x9884;&#x7B97;&#x3002;</p>
<p>&#x7531;&#x4E8E;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x6EDA;&#x52A8;&#x5347;&#x7EA7;&#x800C;&#x88AB;&#x5220;&#x9664;&#x6216;&#x4E0D;&#x53EF;&#x7528;&#x7684; Pod &#x786E;&#x5B9E;&#x4F1A;&#x8BA1;&#x5165;&#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF0C;&#x4F46;&#x63A7;&#x5236;&#x5668;&#xFF08;&#x5982; Deployment &#x548C; StatefulSet&#xFF09;&#x5728;&#x8FDB;&#x884C;&#x6EDA;&#x52A8;&#x5347;&#x7EA7;&#x65F6;&#x4E0D;&#x53D7; PDB &#x7684;&#x9650;&#x5236;&#x2014;&#x2014;&#x5728;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x66F4;&#x65B0;&#x671F;&#x95F4;&#x7684;&#x6545;&#x969C;&#x5904;&#x7406;&#x662F;&#x5728;&#x63A7;&#x5236;&#x5668;&#x7684;&#x89C4;&#x683C;&#xFF08;spec&#xFF09;&#x4E2D;&#x914D;&#x7F6E;&#xFF08;&#x4E86;&#x89E3;<a href="https://kubernetes.io/docs/concepts/cluster-administration/manage-deployment/#updating-your-application-without-a-service-outage" target="_blank">&#x66F4;&#x65B0; Deployment</a>&#xFF09;&#x3002;</p>
<p>&#x4F7F;&#x7528;&#x9A71;&#x9010; API &#x9A71;&#x9010; pod &#x65F6;&#xFF0C;pod &#x4F1A;&#x88AB;&#x4F18;&#x96C5;&#x5730;&#x7EC8;&#x6B62;&#xFF08;&#x8BF7;&#x53C2;&#x9605; PodSpec &#x4E2D;&#x7684; <code>terminationGracePeriodSeconds</code>&#xFF09;&#x3002;</p>
<h2 id="pdb-&#x793A;&#x4F8B;">PDB &#x793A;&#x4F8B;</h2>
<p>&#x5047;&#x8BBE;&#x96C6;&#x7FA4;&#x6709;3&#x4E2A;&#x8282;&#x70B9;&#xFF0C;<code>node-1</code> &#x5230; <code>node-3</code>&#x3002;&#x96C6;&#x7FA4;&#x4E2D;&#x8FD0;&#x884C;&#x4E86;&#x4E00;&#x4E9B;&#x5E94;&#x7528;&#xFF0C;&#x5176;&#x4E2D;&#x4E00;&#x4E2A;&#x5E94;&#x7528;&#x6709;3&#x4E2A;&#x526F;&#x672C;&#xFF0C;&#x5206;&#x522B;&#x662F; <code>pod-a</code>&#x3001;<code>pod-b</code> &#x548C; <code>pod-c</code>&#x3002;&#x53E6;&#x5916;&#xFF0C;&#x8FD8;&#x6709;&#x4E00;&#x4E2A;&#x4E0E;&#x5B83;&#x76F8;&#x5173;&#x7684;&#x4E0D;&#x5177;&#x6709; PDB &#x7684; pod&#xFF0C;&#x6211;&#x4EEC;&#x79F0;&#x4E3A;&#x4E4B;&#x4E3A; <code>pod-x</code>&#x3002;&#x6700;&#x521D;&#xFF0C;&#x6240;&#x6709; Pod &#x7684;&#x5206;&#x5E03;&#x5982;&#x4E0B;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1</th>
<th style="text-align:center">node-2</th>
<th style="text-align:center">node-3</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">pod-a <em>available</em></td>
<td style="text-align:center">pod-b <em>available</em></td>
<td style="text-align:center">pod-c <em>available</em></td>
</tr>
<tr>
<td style="text-align:center">pod-x <em>available</em></td>
<td style="text-align:center"></td>
</tr>
</tbody>
</table>
<p>&#x6240;&#x6709;&#x7684;3&#x4E2A; pod &#x90FD;&#x662F; Deployment &#x4E2D;&#x7684;&#x4E00;&#x90E8;&#x5206;&#xFF0C;&#x5E76;&#x4E14;&#x5B83;&#x4EEC;&#x5171;&#x540C;&#x62E5;&#x6709;&#x4E00;&#x4E2A; PDB&#xFF0C;&#x8981;&#x6C42;&#x81F3;&#x5C11;&#x6709;3&#x4E2A; pod &#x4E2D;&#x7684;2&#x4E2A;&#x59CB;&#x7EC8;&#x5904;&#x4E8E;&#x53EF;&#x7528;&#x72B6;&#x6001;&#x3002;</p>
<p>&#x4F8B;&#x5982;&#xFF0C;&#x5047;&#x8BBE;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x60F3;&#x8981;&#x91CD;&#x542F;&#x7CFB;&#x7EDF;&#xFF0C;&#x5347;&#x7EA7;&#x5185;&#x6838;&#x7248;&#x672C;&#x6765;&#x4FEE;&#x590D;&#x5185;&#x6838;&#x4E2D;&#x7684;&#x9519;&#x8BEF;&#x3002;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x9996;&#x5148;&#x4F7F;&#x7528; <code>kubectl drain</code> &#x547D;&#x4EE4;&#x5C1D;&#x8BD5;&#x6392;&#x9664; <code>node-1</code>&#x3002;&#x8BE5;&#x5DE5;&#x5177;&#x8BD5;&#x56FE;&#x9A71;&#x9010; <code>pod-a</code> &#x548C; <code>pod-x</code>&#x3002;&#x8FD9;&#x7ACB;&#x5373;&#x6210;&#x529F;&#x3002;&#x4E24;&#x4E2A; Pod &#x540C;&#x65F6;&#x8FDB;&#x5165;&#x7EC8;&#x6B62;&#x72B6;&#x6001;&#x3002;&#x8FD9;&#x65F6;&#x7684;&#x96C6;&#x7FA4;&#x5904;&#x4E8E;&#x8FD9;&#x79CD;&#x72B6;&#x6001;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1 <em>draining</em></th>
<th style="text-align:center">node-2</th>
<th style="text-align:center">node-3</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">pod-a <em>terminating</em></td>
<td style="text-align:center">pod-b <em>available</em></td>
<td style="text-align:center">pod-c <em>available</em></td>
</tr>
<tr>
<td style="text-align:center">pod-x <em>terminating</em></td>
<td style="text-align:center"></td>
</tr>
</tbody>
</table>
<p>Deployment &#x6CE8;&#x610F;&#x5230;&#x5176;&#x4E2D;&#x6709;&#x4E00;&#x4E2A; pod &#x5904;&#x4E8E;&#x6B63;&#x5728;&#x7EC8;&#x6B62;&#xFF0C;&#x56E0;&#x6B64;&#x4F1A;&#x521B;&#x5EFA;&#x4E86;&#x4E00;&#x4E2A; <code>pod-d</code> &#x6765;&#x66FF;&#x6362;&#x3002;&#x7531;&#x4E8E; <code>node-1</code> &#x88AB;&#x5C01;&#x9501;&#xFF08;cordon&#xFF09;&#xFF0C;&#x5B83;&#x843D;&#x5728;&#x53E6;&#x4E00;&#x4E2A;&#x8282;&#x70B9;&#x4E0A;&#x3002;&#x540C;&#x65F6;&#x5176;&#x5B83;&#x63A7;&#x5236;&#x5668;&#x4E5F;&#x521B;&#x5EFA;&#x4E86; <code>pod-y</code> &#x4F5C;&#x4E3A; <code>pod-x</code> &#x7684;&#x66FF;&#x4EE3;&#x54C1;&#x3002;</p>
<p>&#xFF08;&#x6CE8;&#x610F;&#xFF1A;&#x5BF9;&#x4E8E; <code>StatefulSet</code>&#xFF0C;<code>pod-a</code> &#x5C06;&#x88AB;&#x79F0;&#x4E3A; <code>pod-1</code>&#xFF0C;&#x9700;&#x8981;&#x5728;&#x66FF;&#x6362;&#x4E4B;&#x524D;&#x5B8C;&#x5168;&#x7EC8;&#x6B62;&#xFF0C;&#x66FF;&#x4EE3;&#x5B83;&#x7684;&#x4E5F;&#x79F0;&#x4E3A; <code>pod-1</code>&#xFF0C;&#x4F46;&#x662F;&#x5177;&#x6709;&#x4E0D;&#x540C;&#x7684; UID&#xFF0C;&#x53EF;&#x4EE5;&#x521B;&#x5EFA;&#x3002;&#x5426;&#x5219;&#xFF0C;&#x793A;&#x4F8B;&#x4E5F;&#x9002;&#x7528;&#x4E8E; StatefulSet&#x3002;&#xFF09;</p>
<p>&#x5F53;&#x524D;&#x96C6;&#x7FA4;&#x7684;&#x72B6;&#x6001;&#x5982;&#x4E0B;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1 <em>draining</em></th>
<th style="text-align:center">node-2</th>
<th style="text-align:center">node-3</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center">pod-a <em>terminating</em></td>
<td style="text-align:center">pod-b <em>available</em></td>
<td style="text-align:center">pod-c <em>available</em></td>
</tr>
<tr>
<td style="text-align:center">pod-x <em>terminating</em></td>
<td style="text-align:center">pod-d <em>starting</em></td>
<td style="text-align:center">pod-y</td>
</tr>
</tbody>
</table>
<p>&#x5728;&#x67D0;&#x4E00;&#x65F6;&#x523B;&#xFF0C;pod &#x88AB;&#x7EC8;&#x6B62;&#xFF0C;&#x96C6;&#x7FA4;&#x770B;&#x8D77;&#x6765;&#x50CF;&#x4E0B;&#x9762;&#x8FD9;&#x6837;&#x5B50;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1 <em>drained</em></th>
<th style="text-align:center">node-2</th>
<th style="text-align:center">node-3</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center">pod-b <em>available</em></td>
<td style="text-align:center">pod-c <em>available</em></td>
</tr>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center">pod-d <em>starting</em></td>
<td style="text-align:center">pod-y</td>
</tr>
</tbody>
</table>
<p>&#x6B64;&#x65F6;&#xFF0C;&#x5982;&#x679C;&#x4E00;&#x4E2A;&#x6025;&#x8E81;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x8BD5;&#x56FE;&#x6392;&#x7A7A;&#xFF08;drain&#xFF09;<code>node-2</code> &#x6216; <code>node-3</code>&#xFF0C;drain &#x547D;&#x4EE4;&#x5C06;&#x88AB;&#x963B;&#x585E;&#xFF0C;&#x56E0;&#x4E3A;&#x5BF9;&#x4E8E; Deployment &#x53EA;&#x6709;2&#x4E2A;&#x53EF;&#x7528;&#x7684; pod&#xFF0C;&#x5E76;&#x4E14;&#x5176; PDB &#x81F3;&#x5C11;&#x9700;&#x8981;2&#x4E2A;&#x3002;&#x7ECF;&#x8FC7;&#x4E00;&#x6BB5;&#x65F6;&#x95F4;&#xFF0C;<code>pod-d</code> &#x53D8;&#x5F97;&#x53EF;&#x7528;&#x3002;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1 <em>drained</em></th>
<th style="text-align:center">node-2</th>
<th style="text-align:center">node-3</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center">pod-b <em>available</em></td>
<td style="text-align:center">pod-c <em>available</em></td>
</tr>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center">pod-d <em>available</em></td>
<td style="text-align:center">pod-y</td>
</tr>
</tbody>
</table>
<p>&#x73B0;&#x5728;&#xFF0C;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x5C1D;&#x8BD5;&#x6392;&#x7A7A; <code>node-2</code>&#x3002;drain &#x547D;&#x4EE4;&#x5C06;&#x5C1D;&#x8BD5;&#x6309;&#x7167;&#x67D0;&#x79CD;&#x987A;&#x5E8F;&#x9A71;&#x9010;&#x4E24;&#x4E2A; pod&#xFF0C;&#x5047;&#x8BBE;&#x5148;&#x662F; <code>pod-b</code>&#xFF0C;&#x7136;&#x540E;&#x518D; <code>pod-d</code>&#x3002;&#x5B83;&#x5C06;&#x6210;&#x529F;&#x9A71;&#x9010; <code>pod-b</code>&#x3002;&#x4F46;&#x662F;&#xFF0C;&#x5F53;&#x5B83;&#x8BD5;&#x56FE;&#x9A71;&#x9010; <code>pod-d</code> &#x65F6;&#xFF0C;&#x5C06;&#x88AB;&#x62D2;&#x7EDD;&#xFF0C;&#x56E0;&#x4E3A;&#x8FD9;&#x6837;&#x5BF9; Deployment &#x6765;&#x8BF4;&#x5C06;&#x53EA;&#x5269;&#x4E0B;&#x4E00;&#x4E2A;&#x53EF;&#x7528;&#x7684; pod&#x3002;</p>
<p>Deployment &#x5C06;&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x540D;&#x4E3A; <code>pod-e</code> &#x7684; <code>pod-b</code> &#x7684;&#x66FF;&#x4EE3;&#x54C1;&#x3002;&#x4F46;&#x662F;&#xFF0C;&#x96C6;&#x7FA4;&#x4E2D;&#x6CA1;&#x6709;&#x8DB3;&#x591F;&#x7684;&#x8D44;&#x6E90;&#x6765;&#x5B89;&#x6392; <code>pod-e</code>&#x3002;&#x90A3;&#x4E48;&#xFF0C;drain &#x547D;&#x4EE4;&#x5C31;&#x4F1A;&#x88AB;&#x963B;&#x585E;&#x3002;&#x96C6;&#x7FA4;&#x6700;&#x7EC8;&#x53EF;&#x80FD;&#x662F;&#x8FD9;&#x79CD;&#x72B6;&#x6001;&#xFF1A;</p>
<table>
<thead>
<tr>
<th style="text-align:center">node-1 <em>drained</em></th>
<th style="text-align:center">node-2 <em>drained</em></th>
<th style="text-align:center">node-3</th>
<th style="text-align:center"><em>no node</em></th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center"></td>
<td style="text-align:center">pod-c <em>available</em></td>
<td style="text-align:center">pod-e <em>pending</em></td>
</tr>
<tr>
<td style="text-align:center"></td>
<td style="text-align:center">pod-d <em>available</em></td>
<td style="text-align:center">pod-y</td>
</tr>
</tbody>
</table>
<p>&#x6B64;&#x65F6;&#xFF0C;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#x9700;&#x8981;&#x5411;&#x96C6;&#x7FA4;&#x4E2D;&#x6DFB;&#x52A0;&#x56DE;&#x4E00;&#x4E2A;&#x8282;&#x70B9;&#x4EE5;&#x7EE7;&#x7EED;&#x5347;&#x7EA7;&#x64CD;&#x4F5C;&#x3002;</p>
<p>&#x60A8;&#x53EF;&#x4EE5;&#x770B;&#x5230; Kubernetes &#x5982;&#x4F55;&#x6539;&#x53D8;&#x4E2D;&#x65AD;&#x53D1;&#x751F;&#x7684;&#x901F;&#x7387;&#xFF0C;&#x6839;&#x636E;&#xFF1A;</p>
<ul>
<li>&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x9700;&#x8981;&#x591A;&#x5C11;&#x526F;&#x672C;</li>
<li>&#x6B63;&#x5E38;&#x5173;&#x95ED;&#x5B9E;&#x4F8B;&#x9700;&#x8981;&#x591A;&#x957F;&#x65F6;&#x95F4;</li>
<li>&#x542F;&#x52A8;&#x65B0;&#x5B9E;&#x4F8B;&#x9700;&#x8981;&#x591A;&#x957F;&#x65F6;&#x95F4;</li>
<li>&#x63A7;&#x5236;&#x5668;&#x7684;&#x7C7B;&#x578B;</li>
<li>&#x96C6;&#x7FA4;&#x7684;&#x8D44;&#x6E90;&#x80FD;&#x529B;</li>
</ul>
<h2 id="&#x5206;&#x79BB;&#x96C6;&#x7FA4;&#x6240;&#x6709;&#x8005;&#x548C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x89D2;&#x8272;">&#x5206;&#x79BB;&#x96C6;&#x7FA4;&#x6240;&#x6709;&#x8005;&#x548C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x89D2;&#x8272;</h2>
<p>&#x5C06;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x8005;&#x548C;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x6240;&#x6709;&#x8005;&#x89C6;&#x4E3A;&#x5F7C;&#x6B64;&#x77E5;&#x8BC6;&#x6709;&#x9650;&#x7684;&#x72EC;&#x7ACB;&#x89D2;&#x8272;&#x901A;&#x5E38;&#x662F;&#x5F88;&#x6709;&#x7528;&#x7684;&#x3002;&#x8FD9;&#x79CD;&#x8D23;&#x4EFB;&#x5206;&#x79BB;&#x5728;&#x8FD9;&#x4E9B;&#x60C5;&#x51B5;&#x4E0B;&#x53EF;&#x80FD;&#x662F;&#x6709;&#x610F;&#x4E49;&#x7684;&#xFF1A;</p>
<ul>
<li>&#x5F53;&#x6709;&#x8BB8;&#x591A;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x56E2;&#x961F;&#x5171;&#x4EAB;&#x4E00;&#x4E2A; Kubernetes &#x96C6;&#x7FA4;&#xFF0C;&#x5E76;&#x4E14;&#x6709;&#x81EA;&#x7136;&#x7684;&#x4E13;&#x4E1A;&#x89D2;&#x8272;</li>
<li>&#x4F7F;&#x7528;&#x7B2C;&#x4E09;&#x65B9;&#x5DE5;&#x5177;&#x6216;&#x670D;&#x52A1;&#x6765;&#x81EA;&#x52A8;&#x5316;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;</li>
</ul>
<p>Pod Disruption Budget&#xFF08;Pod &#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF09; &#x901A;&#x8FC7;&#x5728;&#x89D2;&#x8272;&#x4E4B;&#x95F4;&#x63D0;&#x4F9B;&#x63A5;&#x53E3;&#x6765;&#x652F;&#x6301;&#x8FD9;&#x79CD;&#x89D2;&#x8272;&#x5206;&#x79BB;&#x3002;</p>
<p>&#x5982;&#x679C;&#x60A8;&#x7684;&#x7EC4;&#x7EC7;&#x4E2D;&#x6CA1;&#x6709;&#x8FD9;&#x6837;&#x7684;&#x804C;&#x8D23;&#x5206;&#x79BB;&#xFF0C;&#x5219;&#x53EF;&#x80FD;&#x4E0D;&#x9700;&#x8981;&#x4F7F;&#x7528; Pod &#x4E2D;&#x65AD;&#x9884;&#x7B97;&#x3002;</p>
<h2 id="&#x5982;&#x4F55;&#x5728;&#x96C6;&#x7FA4;&#x4E0A;&#x6267;&#x884C;&#x4E2D;&#x65AD;&#x64CD;&#x4F5C;">&#x5982;&#x4F55;&#x5728;&#x96C6;&#x7FA4;&#x4E0A;&#x6267;&#x884C;&#x4E2D;&#x65AD;&#x64CD;&#x4F5C;</h2>
<p>&#x5982;&#x679C;&#x60A8;&#x662F;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x5458;&#xFF0C;&#x8981;&#x5BF9;&#x96C6;&#x7FA4;&#x7684;&#x6240;&#x6709;&#x8282;&#x70B9;&#x6267;&#x884C;&#x4E2D;&#x65AD;&#x64CD;&#x4F5C;&#xFF0C;&#x4F8B;&#x5982;&#x8282;&#x70B9;&#x6216;&#x7CFB;&#x7EDF;&#x8F6F;&#x4EF6;&#x5347;&#x7EA7;&#xFF0C;&#x5219;&#x53EF;&#x4EE5;&#x4F7F;&#x7528;&#x4EE5;&#x4E0B;&#x9009;&#x62E9;&#xFF1A;</p>
<ul>
<li>&#x5728;&#x5347;&#x7EA7;&#x671F;&#x95F4;&#x63A5;&#x53D7;&#x505C;&#x673A;&#x65F6;&#x95F4;&#x3002;</li>
<li>&#x6545;&#x969C;&#x8F6C;&#x79FB;&#x5230;&#x53E6;&#x4E00;&#x4E2A;&#x5B8C;&#x6574;&#x7684;&#x526F;&#x672C;&#x96C6;&#x7FA4;&#x3002;<ul>
<li>&#x6CA1;&#x6709;&#x505C;&#x673A;&#x65F6;&#x95F4;&#xFF0C;&#x4F46;&#x662F;&#x5BF9;&#x4E8E;&#x91CD;&#x590D;&#x7684;&#x8282;&#x70B9;&#x548C;&#x4EBA;&#x5DE5;&#x534F;&#x8C03;&#x6210;&#x672C;&#x53EF;&#x80FD;&#x662F;&#x6602;&#x8D35;&#x7684;&#x3002;</li>
</ul>
</li>
<li>&#x7F16;&#x5199;&#x53EF;&#x5BB9;&#x5FCD;&#x4E2D;&#x65AD;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x548C;&#x4F7F;&#x7528; PDB&#x3002;<ul>
<li>&#x6CA1;&#x6709;&#x505C;&#x673A;&#x65F6;&#x95F4;&#x3002;</li>
<li>&#x6700;&#x5C0F;&#x7684;&#x8D44;&#x6E90;&#x91CD;&#x590D;&#x3002;</li>
<li>&#x5141;&#x8BB8;&#x66F4;&#x591A;&#x7684;&#x96C6;&#x7FA4;&#x7BA1;&#x7406;&#x81EA;&#x52A8;&#x5316;&#x3002;</li>
<li>&#x7F16;&#x5199;&#x53EF;&#x5BB9;&#x5FCD;&#x4E2D;&#x65AD;&#x7684;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x662F;&#x5F88;&#x68D8;&#x624B;&#x7684;&#xFF0C;&#x4F46;&#x5BF9;&#x4E8E;&#x53EF;&#x5BB9;&#x5FCD;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#xFF0C;&#x548C;&#x652F;&#x6301;&#x81EA;&#x52A8;&#x8C03;&#x6574;&#x4EE5;&#x5BB9;&#x5FCD;&#x975E;&#x81EA;&#x613F;&#x4E2D;&#x65AD;&#xFF0C;&#x4E24;&#x8005;&#x5728;&#x5DE5;&#x4F5C;&#x4E0A;&#x6709;&#x5927;&#x91CF;&#x7684;&#x91CD;&#x53E0;&#x3002;</li>
</ul>
</li>
</ul>
<h2 id="&#x53C2;&#x8003;">&#x53C2;&#x8003;</h2>
<ul>
<li><p><a href="https://kubernetes.io/docs/concepts/workloads/pods/disruptions/" target="_blank">Disruptions - kubernetes.io</a></p>
</li>
<li><p>&#x901A;&#x8FC7;&#x914D;&#x7F6E;<a href="https://kubernetes.io/docs/tasks/run-application//configure-pdb" target="_blank">Pod Disruption Budget&#xFF08;Pod &#x4E2D;&#x65AD;&#x9884;&#x7B97;&#xFF09;</a>&#x6765;&#x6267;&#x884C;&#x4FDD;&#x62A4;&#x5E94;&#x7528;&#x7A0B;&#x5E8F;&#x7684;&#x6B65;&#x9AA4;&#x3002;</p>
</li>
<li>&#x4E86;&#x89E3;&#x66F4;&#x591A;&#x5173;&#x4E8E;<a href="https://kubernetes.io/docs/tasks/administer-cluster//safely-drain-node" target="_blank">&#x6392;&#x7A7A;&#x8282;&#x70B9;</a>&#x7684;&#x4FE1;&#x606F;&#x3002;</li>
</ul>
<footer class="page-footer"><span class="copyright"><a href="https://cloudnative.to/contact/" target="_blank">&#x52A0;&#x5165;&#x4E91;&#x539F;&#x751F;&#x793E;&#x533A;&#xB7;&#x5171;&#x8C31;&#x4E91;&#x539F;&#x751F;&#x65B0;&#x7BC7;&#x7AE0;</a><p></p>Copyright &#xA9; 2017-2020 | Distributed under <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh" target="_blank">CC BY 4.0</a> | <a href="https://jimmysong.io" target="_blank">jimmysong.io</a> all right reserved&#xFF0C;powered by Gitbook</span><span class="footer-modification"> Updated at
2020-06-24 07:28:52
</span></footer>
</section>
</div>
<div class="search-results">
<div class="has-results">
<h1 class="search-results-title"><span class='search-results-count'></span> results matching "<span class='search-query'></span>"</h1>
<ul class="search-results-list"></ul>
</div>
<div class="no-results">
<h1 class="search-results-title">No results matching "<span class='search-query'></span>"</h1>
</div>
</div>
</div>
</div>
</div>
</div>
<a href="pod-preset.html" class="navigation navigation-prev " aria-label="Previous page: Pod Preset">
<i class="fa fa-angle-left"></i>
</a>
<a href="cluster.html" class="navigation navigation-next " aria-label="Next page: 集群资源管理">
<i class="fa fa-angle-right"></i>
</a>
</div>
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"Pod 中断与 PDBPod 中断预算)","level":"3.4.9","depth":2,"next":{"title":"集群资源管理","level":"3.5","depth":1,"path":"concepts/cluster.md","ref":"concepts/cluster.md","articles":[{"title":"Node","level":"3.5.1","depth":2,"path":"concepts/node.md","ref":"concepts/node.md","articles":[]},{"title":"Namespace","level":"3.5.2","depth":2,"path":"concepts/namespace.md","ref":"concepts/namespace.md","articles":[]},{"title":"Label","level":"3.5.3","depth":2,"path":"concepts/label.md","ref":"concepts/label.md","articles":[]},{"title":"Annotation","level":"3.5.4","depth":2,"path":"concepts/annotation.md","ref":"concepts/annotation.md","articles":[]},{"title":"Taint 和 Toleration污点和容忍","level":"3.5.5","depth":2,"path":"concepts/taint-and-toleration.md","ref":"concepts/taint-and-toleration.md","articles":[]},{"title":"垃圾收集","level":"3.5.6","depth":2,"path":"concepts/garbage-collection.md","ref":"concepts/garbage-collection.md","articles":[]}]},"previous":{"title":"Pod Preset","level":"3.4.8","depth":2,"path":"concepts/pod-preset.md","ref":"concepts/pod-preset.md","articles":[]},"dir":"ltr"},"config":{"plugins":["github","codesnippet","splitter","page-toc-button","image-captions","editlink","back-to-top-button","-lunr","-search","search-plus","github-buttons@2.1.0","favicon@^0.0.2","tbfed-pagefooter@^0.0.1","3-ba","theme-default","-highlight","prism","prism-themes","sitemap-general","lightbox","ga","copy-code-button","alerts"],"styles":{"ebook":"styles/ebook.css","epub":"styles/epub.css","mobi":"styles/mobi.css","pdf":"styles/pdf.css","print":"styles/print.css","website":"styles/website.css"},"pluginsConfig":{"tbfed-pagefooter":{"copyright":"<a href=https://cloudnative.to/contact/>加入云原生社区·共谱云原生新篇章</a></p>Copyright © 2017-2020 | Distributed under <a href=https://creativecommons.org/licenses/by-nc-sa/4.0/deed.zh>CC BY 4.0</a> | <a href=https://jimmysong.io>jimmysong.io</a>","modify_label":" Updated at ","modify_format":"YYYY-MM-DD HH:mm:ss"},"prism":{"css":["prism-themes/themes/prism-ghcolors.css"]},"github":{"url":"https://github.com/rootsongjc/kubernetes-handbook"},"editlink":{"label":"编辑本页","multilingual":false,"base":"https://github.com/rootsongjc/kubernetes-handbook/blob/master/"},"splitter":{},"codesnippet":{},"sitemap-general":{"prefix":"https://jimmysong.io/kubernetes-handbook/"},"fontsettings":{"theme":"white","family":"sans","size":2},"favicon":{"shortcut":"favicon.ico","bookmark":"favicon.ico"},"lightbox":{"jquery":true,"sameUuid":false},"page-toc-button":{},"back-to-top-button":{},"prism-themes":{},"alerts":{},"github-buttons":{"repo":"rootsongjc/kubernetes-handbook","types":["star"],"size":"small"},"3-ba":{"configuration":"auto","token":"11f7d254cfa4e0ca44b175c66d379ecc"},"copy-code-button":{},"ga":{"configuration":"auto","token":"UA-93485976-1"},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"theme-default":{"showLevel":true,"styles":{"ebook":"styles/ebook.css","epub":"styles/epub.css","mobi":"styles/mobi.css","pdf":"styles/pdf.css","print":"styles/print.css","website":"styles/website.css"}},"search-plus":{},"image-captions":{"caption":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","variable_name":"_pictures"}},"theme":"default","author":"Jimmy Song宋净超","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{"_pictures":[{"backlink":"index.html#fig1.1.1","level":"1.1","list_caption":"Figure: Stargazers over time","alt":"Stargazers over time","nro":1,"url":"https://starcharts.herokuapp.com/rootsongjc/kubernetes-handbook.svg","index":1,"caption_template":"图 _PAGE_LEVEL_._PAGE_IMAGE_NUMBER__CAPTION_","label":"Stargazers ov
});
</script>
</div>
<script src="../gitbook/gitbook.js"></script>
<script src="../gitbook/theme.js"></script>
<script src="../gitbook/gitbook-plugin-github/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-splitter/splitter.js"></script>
<script src="../gitbook/gitbook-plugin-page-toc-button/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-editlink/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-back-to-top-button/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/jquery.mark.min.js"></script>
<script src="../gitbook/gitbook-plugin-search-plus/search.js"></script>
<script src="../gitbook/gitbook-plugin-github-buttons/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-3-ba/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-lightbox/js/lightbox.min.js"></script>
<script src="../gitbook/gitbook-plugin-ga/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-copy-code-button/toggle.js"></script>
<script src="../gitbook/gitbook-plugin-alerts/plugin.js"></script>
<script src="../gitbook/gitbook-plugin-sharing/buttons.js"></script>
<script src="../gitbook/gitbook-plugin-fontsettings/fontsettings.js"></script>
</body>
</html>