https://github.com/Netflix/Hystrix/wiki/
https://netflix.github.io/Hystrix/javadoc/
https://blog.csdn.net/ruihin/article/details/77579794
https://github.com/kennedyoliveira/standalone-hystrix-dashboard
https://github.com/Netflix-Skunkworks/hystrix-dashboard
dashboard: cd ~/work/gitwork/standalone-hystrix-dashboard && ./gradlew runDashboard then visit http://localhost:7979/hystrix-dashboard/
https://github.com/Netflix/Hystrix/wiki/Metrics-and-Monitoring
https://it.520mwx.com/view/3835
https://github.com/Netflix/Hystrix/wiki/Configuration
https://github.com/Netflix/archaius/wiki/ZooKeeper-Dynamic-Configuration