Eureka vs Hystrix: What are the differences?
What is Eureka? AWS Service registry for resilient mid-tier load balancing and failover. Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers.
What is Hystrix? Latency and fault tolerance library. Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.
Eureka belongs to "Open Source Service Discovery" category of the tech stack, while Hystrix can be primarily classified under "Fault Tolerance Tools".
Eureka and Hystrix are both open source tools. Hystrix with 17.6K GitHub stars and 3.59K forks on GitHub appears to be more popular than Eureka with 7.88K GitHub stars and 2.16K GitHub forks.
Notify-e, Swingvy, and LabNetwork are some of the popular companies that use Eureka, whereas Hystrix is used by Bodybuilding.com, Yammer, and Intuit. Eureka has a broader approval, being mentioned in 7 company stacks & 14 developers stacks; compared to Hystrix, which is listed in 12 company stacks and 8 developer stacks.