====== Hystrix ======

===== 참고 =====
  * [[https://www.javacodegeeks.com/2018/03/microservices-part-4-spring-cloud-circuit-breaker-using-netflix-hystrix.html|MicroServices – Part 4 : Spring Cloud Circuit Breaker using Netflix Hystrix | Java Code Geeks - 2018]]
  * https://www.javacodegeeks.com/2014/09/defend-your-application-with-hystrix.html