Loadbalancer load balancer

LoadBalancer Load balancing

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brief introduction

Load balancing is to distribute the load among multiple execution units , There are two common ways of load balancing . A separate process unit , Through load balancing strategy , Forward the request to different execution units , for example Nginx. The other is to encapsulate the logic of load balancing to the client of the service consumer in the form of code , The service consumer client maintains a service provider information table , Distribute the request to multiple service providers through load balancing policy , So as to achieve the goal of load balancing .
SpringCloud The original client load balancing scheme Ribbon Has been abandoned , In its place LoadBalancer ,LoadBalancer yes Spring Cloud Commons A subproject of , It belongs to the second method mentioned above , It encapsulates the logic of load balancing on the client , And run in the process of the client .
stay Spring Cloud Component micro service system ,LoadBalancer Load balancer as a service consumer , There are two ways to use it , One is with RestTemplate Combination , The other is and Feign Combination .Feign Integrated by default LoadBanlancer.

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