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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                集群是在不同的機器上面<mark>配置相同的服務</mark>對外做一個超大運算的整體。 <br/> 對于集群要有高可用性,所以需要配置多個Eureka注冊中心,防止當其中某一個Eurera注冊機器宕機時不能夠對外提供服務。 <br/> 搭建步驟如下: **1. 搭建思路** 先搭建三個Eureka注冊中心,然后分別往這三個Eureka中注冊 8001 微服務。 ``` 三個Eureka服務注冊中心我已經提前搭建好了,模塊名稱如下: cloud-eureka-server7001 cloud-eureka-server7002 cloud-eureka-server7003 ``` **2. 三個Eureka注冊中心的`resource/application.yml`** (1)7001注冊中心配置。 ```yml server: port: 7001 spring: application: name: cloud-eureka-server eureka: instance: hostname: www.eureka7001.com client: fetch-registry: false register-with-eureka: false service-url: #將其它兩個注冊中心的注冊地址配置到當前模塊 #當前模塊的注冊地址不用寫 defaultZone: http://www.eureka7002.com:7002/eureka/,http://www.eureka7003.com:7003/eureka/ server: enable-self-preservation: false eviction-interval-timer-in-ms: 2000 ``` (2)7002注冊中心配置。 ```yml server: port: 7002 spring: application: name: cloud-eureka-server eureka: instance: hostname: www.eureka7002.com client: register-with-eureka: false fetch-registry: false service-url: #將其它兩個注冊中心的注冊地址配置到當前模塊 #當前模塊的注冊地址不用寫 defaultZone: http://www.eureka7001.com:7001/eureka/,http://www.eureka7003.com:7003/eureka/ server: enable-self-preservation: false eviction-interval-timer-in-ms: 2000 ``` (3)7003注冊中心配置。 ```yml server: port: 7003 spring: application: name: cloud-eureka-server eureka: instance: hostname: www.eureka7003.com client: register-with-eureka: false fetch-registry: false service-url: #將其它兩個注冊中心的注冊地址配置到當前模塊 #當前模塊的注冊地址不用寫 defaultZone: http://www.eureka7001.com:7001/eureka/,http://www.eureka7002.com:7002/eureka/ server: enable-self-preservation: false eviction-interval-timer-in-ms: 2000 ``` **3. 將 8001 微服務注冊到三個Eureka注冊中心中** `resources/application.yml` ```yml server: port: 8001 spring: application: name: cloud-payment-service eureka: client: service-url: #eureka提供的注冊中心地址 defaultZone: http://www.eureka7001.com:7001/eureka/,http://www.eureka7002.com:7002/eureka/,http://www.eureka7003.com:7003/eureka/ instance: instance-id: ${project.artifactId} prefer-ip-address: true lease-renewal-interval-in-seconds: 1 lease-expiration-duration-in-seconds: 2 ####actuator#### info: app.name: ${spring.application.name} company.name: www.atguigu.com build.artifactId: ${project.artifactId} build.version: ${project.version} ``` **4. 驗證集群是否搭建成功** (1)先分別啟動三個Eureka注冊中心,然后再啟動 8001微服務。 分別訪問三個Eureka注冊中心,可以看到每個Eureka除了自己外,還有兩個備用的,并且8001這個微服務都入住了三個Eureka注冊中心。 <br/> :-: ![](https://img.kancloud.cn/0f/8b/0f8b6ec89dca50811a85fba62b4c7cad_1514x444.jpg) http://www.eureka7001.com:7001/ ![](https://img.kancloud.cn/72/e4/72e43c73ef4aadb38da9d0f6aa5a4e34_1511x439.jpg) http://www.eureka7002.com:7002/ ![](https://img.kancloud.cn/87/be/87beabbe384f2baef37088e5ab5b74e1_1493x471.jpg) http://www.eureka7003.com:7003/
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