PerfTest.java

package com.robert.vesta.client;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.robert.vesta.service.intf.IdService;

public class PerfTest {

	public static void main(String[] args) throws InterruptedException {
		ApplicationContext ac = new ClassPathXmlApplicationContext(
				"spring/vesta-client-test.xml");

		final IdService idService = (IdService) ac.getBean("idService");

		final long[][] times = new long[100][100];

		Thread[] threads = new Thread[100];
		for (int i = 0; i < threads.length; i++) {
			final int ip = i;
			threads[i] = new Thread() {
				@Override
				public void run() {
					for (int j = 0; j < 100; j++) {
						long t1 = System.nanoTime();

						idService.genId();

						long t = System.nanoTime() - t1;

						times[ip][j] = t;
					}
				}

			};
		}

		long lastMilis = System.currentTimeMillis();

		for (int i = 0; i < threads.length; i++) {
			threads[i].start();
		}

		for (int i = 0; i < threads.length; i++) {
			threads[i].join();
		}

		System.out
				.println("QPS: "
						+ ((10000 * 1000 / (System.currentTimeMillis() - lastMilis))));

		long sum = 0;
		long max = 0;
		for (int i = 0; i < times.length; i++) {
			for (int j = 0; j < times[i].length; j++) {
				sum += times[i][j];

				if (times[i][j] > max)
					max = times[i][j];
			}
		}

		System.out.println("AVG(ms): " + sum / 1000000 / 10000);
		System.out.println("MAX(ms): " + max / 1000000);
	}

}