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Adds a test used for checking memory usage in the AMQP connector, test 

is disabled and not intended for normal test runs.
This commit is contained in:
Timothy Bish 2014-12-12 18:01:59 -05:00
parent 9bd070a8f6
commit 411c7547ac
1 changed files with 95 additions and 0 deletions
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activemq-amqp/src/test/java/org/apache/activemq/transport/amqp/profile/QueueBrowserStressTest.java Normal file
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/**
* 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.transport.amqp.profile;
import java.util.Enumeration;
import java.util.concurrent.TimeUnit;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.Queue;
import javax.jms.QueueBrowser;
import javax.jms.Session;
import org.apache.activemq.transport.amqp.JMSClientTestSupport;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Test that creates a large number of QueueBrowser and Session instances over time.
*
* There is a pause at the end of the test to allow for heap dumps or post run analysis.
*/
public class QueueBrowserStressTest extends JMSClientTestSupport {
protected static final Logger LOG = LoggerFactory.getLogger(QueueBrowserStressTest.class);
private final int NUM_ITERATIONS = 1000;
@Ignore("Used for profiling broker memory usage.")
@Test
public void testBrowserLeak() throws JMSException, InterruptedException {
connection = createConnection();
Session session = connection.createSession(true, Session.SESSION_TRANSACTED);
Queue queue = session.createQueue(getDestinationName());
session.close();
for (int i = 1; i <= NUM_ITERATIONS; ++i) {
// When recreating session, memory leak does occurs on the client but memory leak still occurs on the server
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
QueueBrowser browser = session.createBrowser(queue, "JMSXGroupSeq=0");
int j = 1;
Enumeration<?> enums = browser.getEnumeration();
if (!enums.hasMoreElements()) {
LOG.debug("No messages in {}", queue.getQueueName());
} else {
Message message = (Message) enums.nextElement();
if (message != null) {
LOG.debug("Received {} message : {} from {}", new Object[] {j++, message, queue.getQueueName()});
}
}
if (browser != null) {
LOG.debug("close browser for {}", queue.getQueueName());
try {
browser.close();
} catch (JMSException e) {
LOG.error("Error on browser close: {}", e);
}
browser = null;
}
if (session != null) {
LOG.debug("close session for {}", queue.getQueueName());
try {
session.close();
} catch (JMSException e) {
LOG.error("Error on session close: {}", e);
}
session = null;
}
}
LOG.info("Task complete, capture heap dump now");
TimeUnit.MINUTES.sleep(5);
}
}