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From tab...@apache.org
Subject activemq git commit: Adds a test used for checking memory usage in the AMQP connector, test is disabled and not intended for normal test runs.
Date Fri, 12 Dec 2014 23:02:20 GMT
Repository: activemq
Updated Branches:
  refs/heads/trunk 9bd070a8f -> 411c7547a


Adds a test used for checking memory usage in the AMQP connector, test
is disabled and not intended for normal test runs. 

Project: http://git-wip-us.apache.org/repos/asf/activemq/repo
Commit: http://git-wip-us.apache.org/repos/asf/activemq/commit/411c7547
Tree: http://git-wip-us.apache.org/repos/asf/activemq/tree/411c7547
Diff: http://git-wip-us.apache.org/repos/asf/activemq/diff/411c7547

Branch: refs/heads/trunk
Commit: 411c7547ac707b462f3005d8c14bfc289855d991
Parents: 9bd070a
Author: Timothy Bish <tabish121@gmail.com>
Authored: Fri Dec 12 18:01:59 2014 -0500
Committer: Timothy Bish <tabish121@gmail.com>
Committed: Fri Dec 12 18:01:59 2014 -0500

----------------------------------------------------------------------
 .../amqp/profile/QueueBrowserStressTest.java    | 95 ++++++++++++++++++++
 1 file changed, 95 insertions(+)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/activemq/blob/411c7547/activemq-amqp/src/test/java/org/apache/activemq/transport/amqp/profile/QueueBrowserStressTest.java
----------------------------------------------------------------------
diff --git a/activemq-amqp/src/test/java/org/apache/activemq/transport/amqp/profile/QueueBrowserStressTest.java
b/activemq-amqp/src/test/java/org/apache/activemq/transport/amqp/profile/QueueBrowserStressTest.java
new file mode 100644
index 0000000..77e83d2
--- /dev/null
+++ b/activemq-amqp/src/test/java/org/apache/activemq/transport/amqp/profile/QueueBrowserStressTest.java
@@ -0,0 +1,95 @@
+/**
+ * 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);
+    }
+}


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