Eureka high availability

High availability ： You can run multiple Eureka server Instance and register with each other ,Server Nodes will incrementally synchronize information with each other , This ensures that the data in the node is consistent .

Steps to build ：

（1） Get ready

Get ready 2 Node deployment eureka, It can also be deployed separately , Modify this machine host file , Bind a host name , For stand-alone deployment, use ip There will be a problem with the address .

（2） The configuration file

Node one ：

# Whether to register yourself with other Eureka Server, The default is true need
eureka.client.register-with-eureka=true
# Whether from eureka server Get registration information , need
eureka.client.fetch-registry=true
# Set the URL, be used for client and server End to end communication
# This node should make requests to other nodes
eureka.client.serviceUrl.defaultZone=http://ek2.com:7902/eureka/
# Host name , Required
#hostname Used to find the host address ,appname Used to represent grouping
eureka.instance.hostname=ek1.com
management.endpoint.shutdown.enabled=true
#web port , The service is handled by this port rest Requested
server.port=7901

Node two ：

# Whether to register yourself with other Eureka Server, The default is true need
eureka.client.register-with-eureka=true
# Whether from eureka server Get registration information , need
eureka.client.fetch-registry=true
# Set the URL, be used for client and server End to end communication
# This node should make requests to other nodes
eureka.client.serviceUrl.defaultZone=http://ek1.com:7901/eureka/
# Host name , Required
eureka.instance.hostname=ek2.com
management.endpoint.shutdown.enabled=true
#web port , The service is handled by this port rest Requested
server.port=7902