搭建springcloud的demo之豪猪HystrixDashBoard(十)

矫情吗；* 2022-03-02 14:26 240阅读 0赞

## HystrixDashBoard ##

除了隔离依赖服务的调用意外,Hystrix还提供了准实时的调用健康(HystrixDashBoard),Hystrix会持续的记录所有通过Hystrix发起的请求的执行信息,并以统计报表和图形的形式展示给用户,包括每秒执行多少请求多少成功,多少失败等;  
Netflix通过hystrix-metrics-event-stream项目实现了对以上指标的监控,springcloud也提供了HystrixDashBoard的整合,对监控内容转化成可视化界面;

## 新建工程microservicecloud-consumer-hystrix-dashboard ##

## pom.xml ##

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <parent>
        <groupId>com.yt.springcloud</groupId>
        <artifactId>microservicecloud</artifactId>
        <version>0.0.1-SNAPSHOT</version>
      </parent>
      <artifactId>microservicecloud-consumer-hystrix-dashboard</artifactId>
    
      <dependencies>
    		
    		<dependency>
    			<groupId>com.yt.springcloud</groupId>
    			<artifactId>microservicecloud-api</artifactId>
    			<version>${project.version}</version>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-starter-web</artifactId>
    		</dependency>
    		
    		<dependency>
    			<groupId>org.springframework</groupId>
    			<artifactId>springloaded</artifactId>
    		</dependency>
    		<dependency>
    			<groupId>org.springframework.boot</groupId>
    			<artifactId>spring-boot-devtools</artifactId>
    		</dependency>
    		
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-eureka</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-config</artifactId>
    		</dependency>
    		
    		<dependency>
    			<groupId>org.springframework.cloud</groupId>
    			<artifactId>spring-cloud-starter-feign</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>
    	</dependencies>
    </project>

## application.yml ##

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server:
      port: 9001

## 主启动类改名+新注解@EnableHystrixDashboard ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 2]

package com.yt.springcloud;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
    
    @SpringBootApplication
    @EnableHystrixDashboard
    public class DeptConsumer_DashBoard_App
    {
    	public static void main(String[] args)
    	{
    		SpringApplication.run(DeptConsumer_DashBoard_App.class, args);
    	}
    }

## 所有provider微服务提供类(8001/8002/8003)都需要监控依赖配置 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 3]

<dependency>
      		<groupId>org.springframework.boot</groupId> 
      		<artifactId>spring-boot-starter-actuator</artifactId>
      	</dependency>

## 启动microservicecloud-consumer-hystrix-dashboard该微服务监控消费端 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 4]

## 启动3个eureka集群 ##

## 启动microservicecloud-provider-dept-hystrix-8001 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 5]

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 6]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 7]

**9001端口在监控8001**

## 启动相关微服务工程 ##

## 监控测试 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 8]

## 7色 ##

## 1圈: 实心圆 健康度:绿色<黄色<橙色<红色递减;(流量越大实心圆越大,可以在大量的实例中快速的发现故障实例和高压力测试) ##

## 1线:曲线:用来记录2分钟内流量的相对变化,可以通过它来观察到流量的上升和下降趋势; ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 9]  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 10]

## 总结 ##

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3l1YW50aW5nXw_size_16_color_FFFFFF_t_70 11]

翻译于尚硅谷周阳老师:[https://www.bilibili.com/video/av22613028?from=search&seid=11377756339718254280][https_www.bilibili.com_video_av22613028_from_search_seid_11377756339718254280]

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[https_www.bilibili.com_video_av22613028_from_search_seid_11377756339718254280]: https://www.bilibili.com/video/av22613028?from=search&seid=11377756339718254280