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Questions tagged [netflix-ribbon]

Ribbon is a Inter Process Communication (remote procedure calls) library with built in software load balancers. The primary usage model involves REST calls with various serialization scheme support.

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Difference between @RibbonClient and @LoadBalanced

I understand @LoadBalanced indicates the Rest template should be based on Client Side Load Balancing using Ribbon and checks Eureka server for resolving the service name to host/port. What is the use of @RibbonClient. Is it to support native Ribbon…
jack
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Zuul and Ribbon integration

I have trouble understanding the connection between Zuul and Ribbon. I think I got Zuul clear. It's a reverse proxy I can contact to reach one of my several instances of a service. It will pick the right server using a round-robin algorithm or…
VanesBee
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Ribbon with Spring Cloud and Eureka: java.lang.IllegalStateException: No instances available for Samarths-MacBook-Pro.local

I am working on Spring Boot Eureka Client Application with Ribbon Load Balancer. I have two instances of the server registered with Eureka with the name "TEST". On the client side, I have the following code to fetch the server from…
Samarth
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Netflix Zuul/Ribbon/Eureka vs AWS ELB/ALB & ECS

I understand from the documentation with the use of Netflix Zuul & Eureka (maybe Ribbon too) you can build an active load balancer. I have always used AWS ELB, ALB (ECS for container management) with R53. Apart from the vendor portability, Is there…
Chandru
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Difference between Ribbon circuit breaker and Hystrix

I'm giving a try to Spring Cloud and Spring Boot. It uses Netflix OSS Applications, among them there are Ribbon and Hystrix. Ribbon is a load balancer and comes with some features, one of them is a circuit breaker. Hystrix is a circuit breaker…
reos
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Netflix Ribbon: add/edit a LoadBalancerRule at runtime via Archaius

My goal is to be able to add/edit a Ribbon LoadBalancerRule at runtime via Archaius. myService.ribbon.NFLoadBalancerRuleClassName=com.netflix.loadbalancer.WeightedResponseTimeRule I'm trying to change the property NFLoadBalancerRuleClassName at…
user5566966
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Zuul/Ribbon/Hystrix not retrying on different instance

Background I'm using Spring cloud Brixton.RC2, with Zuul and Eureka. I have one gateway service with @EnableZuulProxy and a book-service with a status method. Via configuration I can emulate work on the status method by sleeping a defined amount of…
phoenix7360
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Spring Loadbalancer Configuration without a discovery server

I am currently working on a POC about client side load balancing.  I thought to use Spring Cloud Loadbalancer for that. But unlike Netflix Ribbon, I could not find a way to configure Spring Cloud Loadbalancer to work without a discovery server…
tnishada
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com.netflix.zuul.exception.ZuulException: Hystrix Readed time out

I am trying microservices with eureka and zuul. And there is a problem with all requests, which take more then 1 second. As I have understood, 1 second is default hystrix timeout, and for configuring timeouts in Zuul, I have to configure these…
Vadym
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spring boot 2 + feign + eureka client wont resolve service-name to URL

I am trying spring-boot (2.0.5) with spring-cloud (Finchley.SR1) and trying to setup communication between two services using Eureka as discovery server and Feign/Ribbon as clients. The setup is quite straightforward (although a bit muddied by the…
NikhilWanpal
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Hystrix & Ribbon Timeout Warnings

Environment Spring Boot 1.5.13.RELEASE Spring Cloud Edgware.SR3 Compiled with Java version "1.8.0_172-ea",Java(TM) SE Runtime Environment (build 1.8.0_172-ea-b03) and source level 1.8 Runtime JRE: in docker with openjdk:10.0.1-jre-slim Question I…
David
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Can spring-cloud and ribbon perform DNS-based load balancing?

Cloudfoundry plans to add support for DNS A records that maps to multiple IPs (one per app container instance), see docs-proposal. I wonder whether spring-cloud discovery coupled with ribbon can support DNS-based client load balancing. The…
Guillaume Berche
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is there any difference in maven dependency for Netflix zuul and ribbon while upgrading to Spring boot 2.5.1 and spring cloud 2020.0.3

I am trying to upgrade my spring boot version from 2.1.5.RELEASE to 2.5.1, so I have changed the spring cloud version from Greenwich.RELEASE to 2020.0.3 according to release train Spring Boot compatibility for spring cloud. I am also using…
Bond1705
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Is it possible to use @FeignClient without ribbon?

I want to use @FeignClient(url=...) and make it go directly to the given url instead of picking up hosts from ribbon config. I am aware that in spring-cloud feign comes together with ribbon and eureka by default. According to…
fyrkov
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How to override the ribbon.serverListRefreshInterval default value in Spring Cloud Ribbon?

I wrote a simple Spring Cloud Ribbon application, to call a REST service which was registered in Eureka. But how to override the ribbon.serverListRefreshInterval value? The default value is 30 seconds, I'd like to reduce the time interval. Thanks in…
Anson Wang
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