Spring Boot进阶(22)：决战容器之巅：Tomcat vs Undertow！性能对比分析揭秘最佳选择！

import org.openjdk.jmh.annotations.*;
import org.openjdk.jmh.infra.Blackhole;
import org.openjdk.jmh.runner.Runner;
import org.openjdk.jmh.runner.options.Options;
import org.openjdk.jmh.runner.options.OptionsBuilder;
 
@State(Scope.Benchmark)
@Warmup(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Measurement(iterations = 5, time = 1, timeUnit = TimeUnit.SECONDS)
@Fork(1)
public class TomcatVsUndertowBenchmark {
 
    private static final String REQUEST_PATH = "/test";
    private static final String RESPONSE_BODY = "Hello, World!";
 
    private TomcatServer tomcatServer;
    private UndertowServer undertowServer;
 
    @Setup
    public void setup() {
        tomcatServer = new TomcatServer(REQUEST_PATH, RESPONSE_BODY);
        undertowServer = new UndertowServer(REQUEST_PATH, RESPONSE_BODY);
 
        tomcatServer.start();
        undertowServer.start();
    }
 
    @Benchmark
    @BenchmarkMode(Mode.Throughput)
    public void tomcatRequest(Blackhole blackhole, TomcatServerState state) {
        blackhole.consume(state.client.sendRequest(REQUEST_PATH));
    }
 
    @Benchmark
    @BenchmarkMode(Mode.Throughput)
    public void undertowRequest(Blackhole blackhole, UndertowServerState state) {
        blackhole.consume(state.client.sendRequest(REQUEST_PATH));
    }
 
    @TearDown
    public void tearDown() {
        tomcatServer.stop();
        undertowServer.stop();
    }
 
    public static void main(String[] args) throws Exception {
        Options opt = new OptionsBuilder()
                .include(TomcatVsUndertowBenchmark.class.getSimpleName())
                .forks(1)
                .build();
 
        new Runner(opt).run();
    }
}

这段代码使用了JMH框架来进行Tomcat和Undertow的性能基准测试。它定义了一个基准测试类，在测试开始前设置了Tomcat和Undertow服务器，并在测试结束后停止它们。代码中的TomcatServer和UndertowServer是假设已经实现的服务器类，它们负责启动对应的服务器并处理请求。测试方法tomcatRequest和undertowRequest分别发送请求到Tomcat和Undertow服务器，通过JMH的Blackhole类来避免性能测试结果的JIT优化。最后，在main方法中通过JMH提供的Runner来运行这个基准测试。