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Eureka

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.

At Netflix, Eureka is used for the following purposes apart from playing a critical part in mid-tier load balancing.

  • For aiding Netflix Asgard - an open source service which makes cloud deployments easier, in
    * Fast rollback of versions in case of problems avoiding the re-launch of 100's of instances which could take a long time. * In rolling pushes, for avoiding propagation of a new version to all instances in case of problems.

  • For our cassandra deployments to take instances out of traffic for maintenance.

  • For our memcached caching services to identify the list of nodes in the ring.

  • For carrying other additional application specific metadata about services for various other reasons.

Support

Eureka Google Group

Documentation

Please see wiki for detailed documentation.

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