Load Balancing
Load balancing functions on the client and is an indispensable key component of a high-concurrency and high-availability system. It aims to evenly distribute network traffic to multiple servers to improve the overall response speed and availability of the system.
- Load balancing of Java chassis is used for microservice consumers. The load balancing module must be integrated into microservice applications and the loadbalance processing chain must be enabled.
Configuration example:
servicecomb: handler: chain: Consumer: default: loadbalance loadbalance: strategy: name: RoundRobin #The polling mode is enabled.
Add the following dependency to the POM file:
<dependency> <groupId>org.apache.servicecomb</groupId> <artifactId>handler-loadbalance</artifactId> <version>${project.version}</version> </dependency>
- Spring Cloud Huawei load balancing is based on Ribbon in Spring Cloud and works on the client. The principles are as follows: When a random rule is used, the client randomly accesses an instance in the downstream microservice instance. When a polling rule is used, the client cyclically selects a server in the downstream microservice instance in sequence.
servicecomb: loadbalance: userLoginAction: | rule: Random #The random mode is enabled. The default mode is polling.
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