【Spring Cloud 系列】Eureka控制台参数说明

前面我们在《Eureka使用详解》一文中介绍了Eureka的使用。本文将介绍Eureka控制板面各参数：

1. System Status

2. Eureka控制面板中红字提醒

   系统在三种情况下会出现红色加粗的字体提示

   • RENEWALS ARE LESSER THAN THE THRESHOLD. THE SELF PRESERVATION MODE IS TURNED OFF.THIS MAY NOT PROTECT INSTANCE EXPIRY IN CASE OF NETWORK/OTHER PROBLEMS.

     在配置上，自我保护机制关闭

   • EMERGENCY! EUREKA MAY BE INCORRECTLY CLAIMING INSTANCES ARE UP WHEN THEY’RE NOT. RENEWALS ARE LESSER THAN THRESHOLD AND HENCE THE INSTANCES ARE
     NOT BEING EXPIRED JUST TO BE SAFE.

     自我保护机制开启了

   • THE SELF PRESERVATION MODE IS TURNED OFF.THIS MAY NOT PROTECT INSTANCE EXPIRY IN CASE OF NETWORK/OTHER PROBLEMS.

     在配置上，自我保护机制关闭了，但是一分钟内的续约数没有达到85% ， 可能发生了网络分区的提示

3. DS Replicas

   这个下面的信息是这个Eureka Server相邻节点，互为一个集群

4. General Info

5. Instance Info

6. Last 100 SINCE STARTUS

   • Last 1000 cancelled leases：最后1000个取消的租约

   • Last 1000 newly registered leases：最后1000个新注册的租约

7. Application.yml中设置控制面板属性

   spring:
     application:
       name: goyeer-cloud-eureka
   server:
     port: 8761
   eureka:
     #此处设置会改变eureka控制台的显示
     datacenter: goyeer-data-center
     #此处设置会改变eureka控制台的显示
     environment: goyeer-environment
     dashboard:
       #控制台路径
       path: /dashboard
       #是否启用控制台
       enabled: true
     instance:
       #实例主机名
       hostname: localhost
     client:
       register-with-eureka: false
       fetch-registry: false
   security:
     basic:
       #关闭安全验证
       enabled: false