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关于dubbo的RPC和RESTful性能及对比

作者:fomeiherz

这篇文章主要介绍了关于dubbo的RPC和RESTful性能及对比,具有很好的参考价值,希望对大家有所帮助。如有错误或未考虑完全的地方,望不吝赐教

先上结论

RPC请求的效率是HTTP请求的1.6倍左右,性能明显比HTTP请求要高很多。

原因分析

RESTful是基于HTTP协议进行交互的,HTTP协议包含大量的请求头、响应头信息。

而dubbo是基于dubbo自定义的二进制协议进行传输,消息体比较简单,传输数据要小很多。

性能对比

HTTP请求代码

// 服务端基于spring boot搭建
// 服务端代码
@SpringBootApplication
@RestController
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

    @RequestMapping("/helloworld")
    public String helloworld() {
        return "hello world";
    }

}

// 客户端代码
import org.springframework.util.StopWatch;
import org.springframework.web.client.RestTemplate;

public class HelloworldTest {
    public static void main(String[] args) {
        RestTemplate restTemplate = new RestTemplate();
        StopWatch stopWatch = new StopWatch();
        stopWatch.start();
        for (int j = 0; j < 10; j++) {
            System.out.println("------------------");
            for (int i = 1; i <= 10000; i++) {
                restTemplate.getForObject("http://127.0.0.1/helloworld", String.class);
                if (i % 1000 == 0) {
                    stopWatch.stop();
                    System.out.println(stopWatch.getTotalTimeSeconds());
                    stopWatch = new StopWatch();
                    stopWatch.start();
                }
            }
        }
    }
}

RPC代码

// dubbo-demo工程的代码,详情请看:https://github.com/apache/dubbo/tree/master/dubbo-demo
// 服务端
public class DemoServiceImpl implements DemoService {

    @Override
    public String sayHello(String name) {
        return "Hello " + name + ", response from provider: " + RpcContext.getContext().getLocalAddress();
    }
}

// 客户端
public class Consumer {

    public static void main(String[] args) {
        //Prevent to get IPV6 address,this way only work in debug mode
        //But you can pass use -Djava.net.preferIPv4Stack=true,then it work well whether in debug mode or not
        System.setProperty("java.net.preferIPv4Stack", "true");
        ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(new String[]{"META-INF/spring/dubbo-demo-consumer.xml"});
        context.start();
        DemoService demoService = (DemoService) context.getBean("demoService"); // get remote service proxy

        StopWatch stopWatch = new StopWatch();
        stopWatch.start();

        for (int j = 0; j < 10; j++) {
            System.out.println("-----------");
            for (int i = 1; i <= 10000; i++) {
                demoService.sayHello("world"); // call remote method
                if (i % 1000 == 0) {
                    stopWatch.stop();
                    System.out.println(stopWatch.getTotalTimeSeconds());
                    stopWatch = new StopWatch();
                    stopWatch.start();
                }
            }
        }
    }
}

总结

以上为个人经验,希望能给大家一个参考,也希望大家多多支持脚本之家。

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