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阜阳营销型网站建设,wordpress ios git,门户网站建设中标结果,人工智能的关键词前言 快速配置请直接跳转至汇总配置 K8s SpringBoot实现零宕机发布#xff1a;健康检查滚动更新优雅停机弹性伸缩Prometheus监控配置分离#xff08;镜像复用#xff09; 配置 健康检查 健康检查类型#xff1a;就绪探针#xff08;readiness#xff09; 存活探针 SpringBoot实现零宕机发布健康检查滚动更新优雅停机弹性伸缩Prometheus监控配置分离镜像复用 配置 健康检查 健康检查类型就绪探针readiness 存活探针liveness探针类型exec进入容器执行脚本、tcpSocket探测端口、httpGet调用接口业务层面 项目依赖 pom.xmldependencygroupIdorg.springframework.boot/groupIdartifactIdspring-boot-starter-actuator/artifactId/dependency定义访问端口、路径及权限 application.yaml management:server:port: 50000 # 启用独立运维端口endpoint: # 开启health端点health:probes:enabled: trueendpoints:web:exposure:base-path: /actuator # 指定上下文路径启用相应端点include: health将暴露/actuator/health/readiness和/actuator/health/liveness两个接口访问方式如下 http://127.0.0.1:50000/actuator/health/readiness http://127.0.0.1:50000/actuator/health/liveness 运维层面 k8s部署模版deployment.yamlapiVersion: apps/v1 kind: Deployment spec:template:spec:containers:- name: {APP_NAME}image: {IMAGE_URL}imagePullPolicy: Alwaysports:- containerPort: {APP_PORT}- name: management-portcontainerPort: 50000 # 应用管理端口readinessProbe: # 就绪探针httpGet:path: /actuator/health/readinessport: management-portinitialDelaySeconds: 30 # 延迟加载时间periodSeconds: 10 # 重试时间间隔timeoutSeconds: 1 # 超时时间设置successThreshold: 1 # 健康阈值failureThreshold: 6 # 不健康阈值livenessProbe: # 存活探针httpGet:path: /actuator/health/livenessport: management-portinitialDelaySeconds: 30 # 延迟加载时间periodSeconds: 10 # 重试时间间隔timeoutSeconds: 1 # 超时时间设置successThreshold: 1 # 健康阈值failureThreshold: 6 # 不健康阈值滚动更新 k8s资源调度之滚动更新策略若要实现零宕机发布需支持健康检查 apiVersion: apps/v1 kind: Deployment metadata:name: {APP_NAME}labels:app: {APP_NAME} spec:selector:matchLabels:app: {APP_NAME}replicas: {REPLICAS} # Pod副本数strategy:type: RollingUpdate # 滚动更新策略rollingUpdate:maxSurge: 1 # 升级过程中最多可以比原先设置的副本数多出的数量m