1、常用的三种并发测试方法
PostMan
JMeter
Java代码
2、Java代码并发测试
2.1）添加依赖
<dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.0.2</version> <scope>test</scope> </dependency> |
2.2）创建Java类
@NotThreadSafe public class ConcurrencyTest { // 请求总数 public static int clientTotal = 5000; // 同时并发执行的线程数 public static int threadTotal = 200; public static int count = 0; public static void main(String[] args) throws Exception { ExecutorService executorService = Executors.newCachedThreadPool(); final Semaphore semaphore = new Semaphore(threadTotal); final CountDownLatch countDownLatch = new CountDownLatch(clientTotal); for (int i = 0; i < clientTotal ; i++) { executorService.execute(() -> { try { semaphore.acquire(); add(); semaphore.release(); } catch (Exception e) { System.out.println("exception："+e); } countDownLatch.countDown(); }); } countDownLatch.await(); executorService.shutdown(); System.out.println("count："+count); } private static void add() { count++; } } |
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