ActiveMQ example source code file (JmsBenchmark.java)

This example ActiveMQ source code file (JmsBenchmark.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

atomicinteger, callable, consumer_count, consumer_count, io, net, network, object, producer_count, producer_count, sample_delay, samples, samples, semaphore, threading, threads, throwable, throwable, waiting

The ActiveMQ JmsBenchmark.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq;

import java.io.IOException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.Semaphore;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;

import junit.framework.Test;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Benchmarks the broker by starting many consumer and producers against the
 * same destination. Make sure you run with jvm option -server (makes a big
 * difference). The tests simulate storing 1000 1k jms messages to see the rate
 * of processing msg/sec.
 * 
 * 
 */
public class JmsBenchmark extends JmsTestSupport {
    private static final transient Logger LOG = LoggerFactory.getLogger(JmsBenchmark.class);

    private static final long SAMPLE_DELAY = Integer.parseInt(System.getProperty("SAMPLE_DELAY", "" + 1000 * 5));
    private static final long SAMPLES = Integer.parseInt(System.getProperty("SAMPLES", "10"));
    private static final long SAMPLE_DURATION = Integer.parseInt(System.getProperty("SAMPLES_DURATION", "" + 1000 * 60));
    private static final int PRODUCER_COUNT = Integer.parseInt(System.getProperty("PRODUCER_COUNT", "10"));
    private static final int CONSUMER_COUNT = Integer.parseInt(System.getProperty("CONSUMER_COUNT", "10"));

    public ActiveMQDestination destination;

    public static Test suite() {
        return suite(JmsBenchmark.class);
    }

    public static void main(String[] args) {
        junit.textui.TestRunner.run(JmsBenchmark.class);
    }

    public void initCombos() {
        addCombinationValues("destination", new Object[] {new ActiveMQQueue("TEST")});
    }

    protected BrokerService createBroker() throws Exception {
        return BrokerFactory.createBroker(new URI("broker://(tcp://localhost:0)?persistent=false"));
    }

    protected ConnectionFactory createConnectionFactory() throws URISyntaxException, IOException {
        return new ActiveMQConnectionFactory(((TransportConnector)broker.getTransportConnectors().get(0)).getServer().getConnectURI());
    }

    /**
     * @throws Throwable
     */
    public void testConcurrentSendReceive() throws Throwable {

        final Semaphore connectionsEstablished = new Semaphore(1 - (CONSUMER_COUNT + PRODUCER_COUNT));
        final Semaphore workerDone = new Semaphore(1 - (CONSUMER_COUNT + PRODUCER_COUNT));
        final CountDownLatch sampleTimeDone = new CountDownLatch(1);

        final AtomicInteger producedMessages = new AtomicInteger(0);
        final AtomicInteger receivedMessages = new AtomicInteger(0);

        final Callable producer = new Callable() {
            public Object call() throws JMSException, InterruptedException {
                Connection connection = factory.createConnection();
                connections.add(connection);
                Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                MessageProducer producer = session.createProducer(destination);
                producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
                BytesMessage message = session.createBytesMessage();
                message.writeBytes(new byte[1024]);
                connection.start();
                connectionsEstablished.release();

                while (!sampleTimeDone.await(0, TimeUnit.MILLISECONDS)) {
                    producer.send(message);
                    producedMessages.incrementAndGet();
                }

                connection.close();
                workerDone.release();
                return null;
            }
        };

        final Callable consumer = new Callable() {
            public Object call() throws JMSException, InterruptedException {
                Connection connection = factory.createConnection();
                connections.add(connection);
                Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
                MessageConsumer consumer = session.createConsumer(destination);

                consumer.setMessageListener(new MessageListener() {
                    public void onMessage(Message msg) {
                        receivedMessages.incrementAndGet();
                    }
                });
                connection.start();

                connectionsEstablished.release();
                sampleTimeDone.await();

                connection.close();
                workerDone.release();
                return null;
            }
        };

        final Throwable workerError[] = new Throwable[1];
        for (int i = 0; i < PRODUCER_COUNT; i++) {
            new Thread("Producer:" + i) {
                public void run() {
                    try {
                        producer.call();
                    } catch (Throwable e) {
                        e.printStackTrace();
                        workerError[0] = e;
                    }
                }
            }.start();
        }

        for (int i = 0; i < CONSUMER_COUNT; i++) {
            new Thread("Consumer:" + i) {
                public void run() {
                    try {
                        consumer.call();
                    } catch (Throwable e) {
                        e.printStackTrace();
                        workerError[0] = e;
                    }
                }
            }.start();
        }

        LOG.info(getName() + ": Waiting for Producers and Consumers to startup.");
        connectionsEstablished.acquire();
        LOG.info("Producers and Consumers are now running.  Waiting for system to reach steady state: " + (SAMPLE_DELAY / 1000.0f) + " seconds");
        Thread.sleep(1000 * 10);

        LOG.info("Starting sample: " + SAMPLES + " each lasting " + (SAMPLE_DURATION / 1000.0f) + " seconds");

        for (int i = 0; i < SAMPLES; i++) {

            long start = System.currentTimeMillis();
            producedMessages.set(0);
            receivedMessages.set(0);

            Thread.sleep(SAMPLE_DURATION);

            long end = System.currentTimeMillis();
            int r = receivedMessages.get();
            int p = producedMessages.get();

            LOG.info("published: " + p + " msgs at " + (p * 1000f / (end - start)) + " msgs/sec, " + "consumed: " + r + " msgs at " + (r * 1000f / (end - start)) + " msgs/sec");
        }

        LOG.info("Sample done.");
        sampleTimeDone.countDown();

        workerDone.acquire();
        if (workerError[0] != null) {
            throw workerError[0];
        }

    }

}