feature 2023.x: Expand NacosLoadBalancer to conveniently support custom service list filtering and load balancing algorithms #3794
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…filtering and load balancing algorithms
zhangbinhub
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@yuluo-yx Please review this new feature. If you think it's good, I will update it to the 2021. x and 2022. x branches. |
yuluo-yx
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Jul 16, 2024
...acos-discovery/src/main/java/com/alibaba/cloud/nacos/loadbalancer/LoadBalancerAlgorithm.java
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Expand NacosLoadBalancer to conveniently support custom service list filtering and load balancing algorithms
Describe what this PR does / why we need it
At present, neither the official loadbalancer provided by Spring Cloud nor the existing NacosLoadBalancer can meet personalized load balancing requirements.
In order to conveniently and quickly meet various personalized load balancing needs, NacosLoadBalancer has been extended to support custom service list filters and custom load balancing algorithms.
Does this pull request fix one issue?
NONE
Describe how you did it
com.alibaba.cloud.nacos.loadbalancer.ServiceInstanceFilterto expand the service list filter.com.alibaba.cloud.nacos.loadbalancer.LoadBalancerAlgorithmto expand the load balancing algorithm.com.alibaba.cloud.nacos.loadbalancer.DefaultLoadBalancerAlgorithmimplementation of default load balancing algorithm, and register as a Bean in LoadBalancerNacosAutoConfiguration.NacosLoadBalancer, and add relevant logic for custom service list filtering and custom load balancing algorithm in the getInstanceResponse method.Describe how to verify it
spring.cloud.loadbalance.nacos.enabledtotrueto enable NacosLoadBalancer.ServiceInstanceFilterand register it as a bean.LoadBalancerAlgorithmand register it as a bean.Special notes for reviews
NONE