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ActiveMQ example source code file (JournalRoutePerformance.java)

This example ActiveMQ source code file (JournalRoutePerformance.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

atomicboolean, atomicboolean, atomiclong, atomiclong, contexttestsupport, exception, exception, journalrouteperformance, routebuilder, string, stringbuffer, thread, thread, utf-8

The ActiveMQ JournalRoutePerformance.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.camel.component;

import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicLong;

import org.apache.camel.ContextTestSupport;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;

/**
 * Used to get an idea of what kind of performance can be expected from 
 * the journal.
 * 
 * 
 */
public class JournalRoutePerformance extends ContextTestSupport {

    AtomicLong produceCounter = new AtomicLong();
    AtomicLong consumeCounter = new AtomicLong();
    AtomicBoolean running = new AtomicBoolean(true);

    public void testPerformance() throws Exception {

        int payLoadSize = 1024;
        int concurrentProducers = 50;
        long delayBetweenSample = 1000;
        long perfTestDuration = 1000 * 60; // 1 min

        StringBuffer t = new StringBuffer();
        for (int i = 0; i < payLoadSize; i++) {
            t.append('a' + (i % 26));
        }
        final byte[] payload = t.toString().getBytes("UTF-8");

        for (int i = 0; i < concurrentProducers; i++) {
            Thread thread = new Thread("Producer: " + i) {
                @Override
                public void run() {
                    while (running.get()) {
                        template.sendBody("direct:in", payload);
                        produceCounter.incrementAndGet();
                    }
                }
            };
            thread.start();
        }

        long produceTotal = 0;
        long consumeTotal = 0;
        long start = System.currentTimeMillis();
        long end = start + perfTestDuration;
        while (System.currentTimeMillis() < end) {
            Thread.sleep(delayBetweenSample);
            long totalTime = System.currentTimeMillis() - start;
            long p = produceCounter.getAndSet(0);
            long c = consumeCounter.getAndSet(0);
            produceTotal += p;
            consumeTotal += c;
            System.out.println("Interval Produced " + stat(p, delayBetweenSample) + " m/s, Consumed " + stat(c, delayBetweenSample) + " m/s");
            System.out.println("Total Produced " + stat(produceTotal, totalTime) + " m/s, Consumed " + stat(consumeTotal, totalTime) + " m/s");
        }
        running.set(false);

    }

    private String stat(long pd, long delayBetweenSample) {
        return "" + (1.0 * pd / delayBetweenSample) * 1000.0;
    }

    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                from("direct:in").to("activemq.journal:target/perf-test");
                from("activemq.journal:target/perf-test").process(new Processor() {
                    public void process(Exchange exchange) throws Exception {
                        consumeCounter.incrementAndGet();
                    }
                });
            }
        };
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ JournalRoutePerformance.java source code file:

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