1 依赖

<parent>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>1.5.4.RELEASE</version>

</parent>

<properties>

<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>

<java.version>1.8</java.version>

</properties>

<dependencies>

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-starter-eureka</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-starter-ribbon</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-starter-hystrix</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-starter-hystrix-dashboard</artifactId>

</dependency>

<dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-actuator</artifactId>

</dependency>

</dependencies>

<dependencyManagement>

<dependencies>

<dependency>

<groupId>org.springframework.cloud</groupId>

<artifactId>spring-cloud-dependencies</artifactId>

<version>Camden.SR7</version>

<type>pom</type>

<scope>import</scope>

</dependency>

</dependencies>

</dependencyManagement>

</project>

 

2. 启动类

@SpringBootApplication

@EnableEurekaClient

@EnableHystrixDashboard

@EnableHystrix

@EnableCircuitBreaker

public class HystrixBoardApplication {

@Bean

@LoadBalanced

RestTemplate restTmeplate() {

return new RestTemplate();

}

public static void main(String[] args) {

SpringApplication.run(HystrixBoardApplication.class, args);

}

@Bean

public ServletRegistrationBean getServlet(){

HystrixMetricsStreamServlet streamServlet = new HystrixMetricsStreamServlet();

ServletRegistrationBean registrationBean = new ServletRegistrationBean(streamServlet);

registrationBean.setLoadOnStartup(1);

registrationBean.addUrlMappings("/actuator/hystrix.stream");

registrationBean.setName("HystrixMetricsStreamServlet");

return registrationBean;

}

}

 

3. 配置

server:

port: 8001

spring:

application:

name: hystrix-dashboard

eureka:

client:

serviceUrl:

defaultZone: http://admin:admin@ym-eureka-server1:8761/eureka/,http://admin:admin@ym-eureka-server2:8762/eureka/,http://admin:admin@ym-eureka-server3:8763/eureka/

instance:

preferIpAddress: true

hystrix:

command:

default:

execution:

isolation:

thread:

timeoutInMilliseconds: 4000

config:

stream:

maxConcurrentConnections: 50