What Hystrix do?
Service fuse, service degradation, limiting service, near real-time monitoring ...
Reference: https://github.com/Netflix/Hystrix/wiki/How-To-Use
Once the call to service method fails with an error message, it will automatically call the specified method invocation good fallbackMethod class @HystrixCommand marked.
dashboard monitor window:
7 colors, a circle, a line
Configuration
It is necessary to introduce the following monitoring terminal-dependent
<!-- actuator监控信息完善 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<!-- hystrix -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-hystrix</artifactId>
</dependency>Add the following comment:
@SpringBootApplication
@EnableDiscoveryClient // service discovery
@EnableCircuitBreaker
Necessary to introduce the following monitoring terminal-dependent
<!-- hystrix和 hystrix-dashboard相关-->
<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>Add the following comment:
@SpringBootApplication
@EnableHystrixDashboard