SpringCloud之Hystrix集群及集群监控turbine
目的:
Hystrix集群及监控turbine
Feign、Hystrix整合之服务熔断服务降级彻底解耦
集群后超时设置
Hystrix集群及监控turbine
新建一个springboot工程microservice-student-provider-hystrix-1005把它作为集群


工程中测试详细代码见https://www.cnblogs.com/huangting/p/11902121.html
导入pom依赖
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.ht</groupId>
<artifactId>htSpringCloud</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>microservice-student-provider-hystrix-1005</artifactId> <properties>
<java.version>1.8</java.version>
</properties> <dependencies>
<!--添加注册中心Eureka相关配置-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-eureka</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-config</artifactId>
</dependency>
<!-- actuator监控引入 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
</dependency>
<!-- 修改后立即生效,热部署 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>springloaded</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
<dependency>
<groupId>com.ht</groupId>
<artifactId>microservice-common</artifactId>
<version>1.0-SNAPSHOT</version>
<scope>compile</scope>
</dependency>
<!--Hystrix相关依赖-->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-hystrix</artifactId>
</dependency> </dependencies> <build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build> </project>
修改yml配置:
---
server:
port: 1004
context-path: /
spring:
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8
username: root
password: root
jpa:
hibernate:
ddl-auto: update
show-sql: true
application:
name: microservice-student
profiles: provider-hystrix-1004 eureka:
instance:
hostname: localhost
appname: microservice-student
instance-id: microservice-student:1004
prefer-ip-address: true
client:
service-url:
defaultZone: http://eureka2001.ht.com:2001/eureka/,http://eureka2002.ht.com:2002/eureka/,http://eureka2003.ht.com:2003/eureka/ info:
groupId: com.ht.testSpringcloud
artifactId: microservice-student-provider-hystrix-1004
version: 1.0-SNAPSHOT
userName: http://ht.com
phone: 123456 hystrix:
command:
default:
execution:
isolation:
thread:
timeoutInMilliseconds: 1500 ---
server:
port: 1005
context-path: /
spring:
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8
username: root
password: root
jpa:
hibernate:
ddl-auto: update
show-sql: true
application:
name: microservice-student
profiles: provider-hystrix-1005 eureka:
instance:
hostname: localhost
appname: microservice-student
instance-id: microservice-student:1005
prefer-ip-address: true
client:
service-url:
defaultZone: http://eureka2001.ht.com:2001/eureka/,http://eureka2002.ht.com:2002/eureka/,http://eureka2003.ht.com:2003/eureka/ info:
groupId: com.ht.htSpringCloud
artifactId: microservice-student-provider-hystrix-1005
version: 1.0-SNAPSHOT
userName: http://ht.com
phone: 123456 hystrix:
command:
default:
execution:
isolation:
thread:
timeoutInMilliseconds: 1500 ---
server:
port: 1006
context-path: /
spring:
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf8
username: root
password: root
jpa:
hibernate:
ddl-auto: update
show-sql: true
application:
name: microservice-student
profiles: provider-hystrix-1006 eureka:
instance:
hostname: localhost
appname: microservice-student
instance-id: microservice-student:1006
prefer-ip-address: true
client:
service-url:
defaultZone: http://eureka2001.ht.com:2001/eureka/,http://eureka2002.ht.com:2002/eureka/,http://eureka2003.ht.com:2003/eureka/ info:
groupId: com.ht.htSpringCloud
artifactId: microservice-student-provider-hystrix-1006
version: 1.0-SNAPSHOT
userName: http://ht.com
phone: 123456 hystrix:
command:
default:
execution:
isolation:
thread:
timeoutInMilliseconds: 1500
启动类MicroserviceStudentProviderHystrix1005Application 中添加注释
package com.ht.microservicestudentproviderhystrix1005; import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.domain.EntityScan;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient; @EnableCircuitBreaker
@EntityScan("com.ht.*.*")
@EnableEurekaClient
@SpringBootApplication
public class MicroserviceStudentProviderHystrix1005Application { public static void main(String[] args) {
SpringApplication.run(MicroserviceStudentProviderHystrix1005Application.class, args);
} }
然后配置启动项的时候多搞几个启动项,这里搞了三个
provider-hystrix-1004
provider-hystrix-1005
provider-hystrix-1006

好了一个hystrix集群服务就搭好了。

修改pom依赖:
<?xml version="1.0" encoding="UTF-8"?>
<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 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>com.ht</groupId>
<artifactId>htSpringCloud</artifactId>
<version>1.0-SNAPSHOT</version>
</parent>
<artifactId>microservice-student-consumer-hystrix-turbine-91</artifactId> <properties>
<java.version>1.8</java.version>
</properties> <dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency> <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-turbine</artifactId>
</dependency>
</dependencies> <build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build> </project>
配置yml文件
server:
port: 91
context-path: /
eureka:
client:
service-url:
defaultZone: http://eureka2001.ht.com:2001/eureka/,http://eureka2002.ht.com:2002/eureka/,http://eureka2003.ht.com:2003/eureka/
turbine:
app-config: microservice-student # 指定要监控的应用名称
clusterNameExpression: "'default'" #表示集群的名字为default
spring:
application:
name: turbine
给启动类MicroserviceStudentConsumerHystrixTurbine91Application 加注解:@EnableTurbine
package com.ht.microservicestudentconsumerhystrixdashboard90; import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.cloud.netflix.turbine.EnableTurbine;
@SpringBootApplication(exclude={DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class})
@EnableTurbine
public class MicroserviceStudentConsumerHystrixDashboard90Application { public static void main(String[] args) {
SpringApplication.run(MicroserviceStudentConsumerHystrixDashboard90Application.class, args);
} }
测试:
先启动三个eureka,然后把1004 1005 带hystrix的服务都启动;
microservice-student-consumer-80这个也启动,方便测试;
dashboard,turbine启动;
这样的话 http://localhost/student/hystrix 就能调用服务集群;
http://localhost:91/turbine.stream 可以监控数据,实时ping 返回data

输入http://localhost:90/hystrix进入仪表盘,输入地址,进行实时监控测试

Feign、Hystrix整合之服务熔断服务降级彻底解耦
前面的代码,用@HystrixCommand fallbackMethod是很不好的,因为和业务代码耦合度太高,不利于维护,所以需要解耦,这我们讲下Feign Hystrix整合。
microservice-student-provider-hystrix项目修改
我们不用原先那套。按照正常的逻辑来写;
StudentService加新的接口方法:
/**
* 测试Hystrix服务降级
* @return
*/
public Map<String,Object> hystrix();
StudentServiceImpl实现:
@Override
public Map<String, Object> hystrix() {
Map<String,Object> map=new HashMap<String,Object>();
map.put("code", 200);
map.put("info","工号【"+port+"】正在为您服务");
return map;
}
StudentProviderController正常调用service方法:
/**
* 测试Hystrix服务降级
* @return
* @throws InterruptedException
*/
@ResponseBody
@GetMapping(value="/hystrix")
@HystrixCommand(fallbackMethod="hystrixFallback")
public Map<String,Object> hystrix() throws InterruptedException{
Thread.sleep(2000);
// Map<String,Object> map=new HashMap<String,Object>();
// map.put("code", 200);
// map.put("info","工号【"+port+"】正在为您服务");
return studentService.hystrix();
}
microservice-common项目新建FallbackFactory类,解耦服务熔断服务降级
StudentClientService接口,新增getInfo方法;

/**
* 服务熔断降级
* @return
*/
@GetMapping(value="/student/hystrix")
public Map<String,Object> hystrix();
microservice-common的application.yml加上hystrix支持
hystrix支持
feign:
hystrix:
enabled: true
新建 StudentClientFallbackFactory 类,实现FallbackFactory接口;

package com.ht.microservicestudentproviderhystrix.service; import com.ht.microservicecommon.StudentClientService;
import com.ht.microservicecommon.entity.Student;
import feign.hystrix.FallbackFactory; import java.util.HashMap;
import java.util.List;
import java.util.Map; public class StudentClientFallbackFactory implements FallbackFactory<StudentClientService> {
@Override
public StudentClientService create(Throwable cause) {
return new StudentClientService() { @Override
public boolean save(Student student) {
return false;
} @Override
public List<Student> list() {
return null;
} @Override
public Map<String, Object> hystrix() {
Map<String,Object> map=new HashMap<String,Object>();
map.put("code", 500);
map.put("info", "系统繁忙,稍后重试");
return map;
} @Override
public Student get(Integer id) {
return null;
} @Override
public boolean delete(Integer id) {
return false;
} @Override
public String ribbon() {
return null;
}
};
}
}
StudentClientService接口的@FeignClient注解加下 fallbackFactory属性

@FeignClient(value="MICROSERVICE-STUDENT",fallbackFactory=StudentClientFallbackFactory.class)
microservice-student-consumer-feign-80修改 支持Hystrix
StudentConsumerFeignController新增方法调用
/**
* Feign整合Hystrix服务熔断降级
* @return
* @throws InterruptedException
*/
@GetMapping(value="/hystrix")
public Map<String,Object> hystrix() throws InterruptedException{
return studentClientService.hystrix();
}
microservice-student-consumer-feign-80启动类中添加注释
package com.ht.microservicestudentconsumerfeign80;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.feign.EnableFeignClients;
import org.springframework.context.annotation.ComponentScan; @EnableEurekaClient
@EnableFeignClients(value = "com.ht.*.*")
@ComponentScan(basePackages = {"com.ht.microservicecommon.service", "com.ht.microservicestudentconsumerfeign80"})
@SpringBootApplication(exclude={DataSourceAutoConfiguration.class, HibernateJpaAutoConfiguration.class})
public class MicroserviceStudentConsumerFeign80Application { public static void main(String[] args) {
SpringApplication.run(MicroserviceStudentConsumerFeign80Application.class, args);
} }
集群后超时设置
microservice-common的application.yml加上hystrix支持
这里因为还有一个 feign 也有一个超时时间的设置,当然feign底层是 ribbon的封装,所以 直接配置ribbon,ribbon默认超时也是1秒。
所以这里都是强制要求,ribbon的超时时间要大于hystrix的超时时间,否则 hystrix自定义的超时时间毫无意义。
所以还得microservice-student-consumer-feign-80上加个 ribbon超时时间设置
hystrix:
command:
default:
execution:
isolation:
thread:
timeoutInMilliseconds: 1500
这里因为还有一个 feign 也有一个超时时间的设置,当然feign底层是 ribbon的封装,所以 直接配置ribbon,ribbon默认超时也是1秒。
所以这里都是强制要求,ribbon的超时时间要大于hystrix的超时时间,否则 hystrix自定义的超时时间毫无意义。
所以还得microservice-student-consumer-feign-80上加个 ribbon超时时间设置
ribbon:
ReadTimeout: 10000
ConnectTimeout: 9000
谢谢观看!
SpringCloud之Hystrix集群及集群监控turbine的更多相关文章
- java框架之SpringCloud(5)-Hystrix服务熔断、降级与监控
前言 分布式系统面临的问题 复杂分布式体系结构中的应用程序有数十个依赖关系,每个依赖关系在某些时候将不可避免地失败.不做任何处理的情况下,很容易导致服务雪崩. 服务雪崩:多个微服务之间调用的时候,假设 ...
- Hystrix集群及监控turbine
Hystrix集群及监控turbine 前面Dashboard演示的仅仅是单机服务监控,实际项目基本都是集群,所以这里集群监控用的是turbine. turbine是基于Dashboard的. 先搞个 ...
- Spring Cloud第八篇 | Hystrix集群监控Turbine
本文是Spring Cloud专栏的第八篇文章,了解前七篇文章内容有助于更好的理解本文: Spring Cloud第一篇 | Spring Cloud前言及其常用组件介绍概览 Spring Clo ...
- Hystrix集群及集群监控turbine
Hystrix集群及监控turbine 前面Dashboard演示的仅仅是单机服务监控,实际项目基本都是集群,所以这里集群监控用的是turbine. turbine是基于Dashboard的. 先搞个 ...
- Spring Cloud :断路器集群监控(Turbine)
一. 简介 上一篇文章我们已经实现了对单个服务实例的监控,当然在实际应用中,单个实例的监控数据没有多大的价值,我们更需要的是一个集群系统的监控信息,这时我们就需要引入Turbine.Turb ...
- 【MongoDB】windows平台搭建Mongo数据库复制集(类似集群)(转)
原文链接:[MongoDB]windows平台搭建Mongo数据库复制集(类似集群)(一) Replica Sets(复制集)是在mongodDB1.6版本开始新增的功能,它可以实现故障自动切换和自 ...
- docker 快速部署ES集群 spark集群
1) 拉下来 ES集群 spark集群 两套快速部署环境, 并只用docker跑起来,并保存到私库. 2)弄清楚怎么样打包 linux镜像(或者说制作). 3)试着改一下,让它们跑在集群里面. 4) ...
- Mongodb副本集+分片集群环境部署记录
前面详细介绍了mongodb的副本集和分片的原理,这里就不赘述了.下面记录Mongodb副本集+分片集群环境部署过程: MongoDB Sharding Cluster,需要三种角色: Shard S ...
- Hadoop集群-HDFS集群中大数据运维常用的命令总结
Hadoop集群-HDFS集群中大数据运维常用的命令总结 作者:尹正杰 版权声明:原创作品,谢绝转载!否则将追究法律责任. 本篇博客会简单涉及到滚动编辑,融合镜像文件,目录的空间配额等运维操作简介.话 ...
随机推荐
- 在nodejs中操作数据库(MongoDB和MySQL为例)
一.使用nodejs操作MongoDB数据库 ①使用官方的mongodb包来操作 ②使用第三方的mongoose包来操作(比较常用) // 首先必须使MongoDB数据库保持开启状态 // npm下载 ...
- 留言板(Nodejs)
一.知识点 ①nodejs实际开发中,通常把所有的HTML文件放到views目录中 ②nodejs实际开发中,通常把所有的静态资源文件放到public目录中,方便统一处理 当浏览器收到HTML响应内容 ...
- 退役II次后做题记录
退役II次后做题记录 感觉没啥好更的,咕. atcoder1219 历史研究 回滚莫队. [六省联考2017]组合数问题 我是傻逼 按照组合意义等价于\(nk\)个物品,选的物品\(\mod k\) ...
- PKUWC2019 Round 2 没去祭
因为今年有两场 PKUWC,所以叫 PKUWC2019 Round 2. 因为一些沙雕原因,今年去不了了. Day 0 一如既往,没有集训就去上数学课,今天讲几何变换,一如既往的只会说"少女 ...
- php 把数字转化为大写中文—升级版
继上篇之后,发现某同事悄悄改了新版本,于是被我偷偷保存起来了,功能一样,不过他的比较短小,emmm.放了快一年了,悄悄放到博客里面. 功能需求在另一篇博客里 <?php function cny ...
- Web前端开发规范 之html命名规范
1.文件名称命名规则 统一用小写的英文字母.数字和下划线,不得包含汉字空格和特殊符号 2.索引文件命名 一般用index为名字 如index.html index.jsp 3.各子页面的命名规则 ...
- 错误: -source 1.6 中不支持 diamond 运算符
问题 错误: -source 1.6 中不支持 diamond 运算符 解决步骤 1.检查ide的默认编译环境 ,快捷键ctrl + alt +s 找Java Compiler ,发现设置是 Targ ...
- ISO/IEC 9899:2011 条款5——环境
5.环境 1.一个实现在两个不同的数据处理系统环境下分别翻译C源文件与执行C程序,在本国际标准中分别称为翻译环境和执行环境.它们的特征定义并包含了根据顺从标准实现的语法及语义规则所构造的顺从标准的C程 ...
- SQLite添加新的字段
通过alter添加新的字段SQL语句 "ALTER TABLE 'DiHKChatMessage' ADD 'phoneNum' varchar"; 但是如果这个字段已经存在的话, ...
- redis的相关原理
一.AOF 二.RDB 三.哨兵