| /** |
| * 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.bugs; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.jms.BytesMessage; |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.DeliveryMode; |
| import javax.jms.Destination; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.TestSupport; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter; |
| import org.apache.activemq.store.kahadb.MessageDatabase; |
| import org.apache.log4j.Level; |
| import org.junit.After; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| // https://issues.apache.org/jira/browse/AMQ-4262 |
| public class TransactedStoreUsageSuspendResumeTest { |
| private static final Logger LOG = LoggerFactory.getLogger(TransactedStoreUsageSuspendResumeTest.class); |
| |
| private static final int MAX_MESSAGES = 10000; |
| |
| private static final String QUEUE_NAME = "test.queue"; |
| |
| private BrokerService broker; |
| |
| private final CountDownLatch messagesReceivedCountDown = new CountDownLatch(MAX_MESSAGES); |
| private final CountDownLatch messagesSentCountDown = new CountDownLatch(MAX_MESSAGES); |
| private final CountDownLatch consumerStartLatch = new CountDownLatch(1); |
| |
| private class ConsumerThread extends Thread { |
| |
| @Override |
| public void run() { |
| try { |
| |
| consumerStartLatch.await(30, TimeUnit.SECONDS); |
| |
| ConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost"); |
| Connection connection = factory.createConnection(); |
| connection.start(); |
| Session session = connection.createSession(true, Session.SESSION_TRANSACTED); |
| |
| // wait for producer to stop |
| long currentSendCount; |
| do { |
| currentSendCount = messagesSentCountDown.getCount(); |
| TimeUnit.SECONDS.sleep(5); |
| } while (currentSendCount != messagesSentCountDown.getCount()); |
| |
| LOG.info("Starting consumer at: " + currentSendCount); |
| |
| MessageConsumer consumer = session.createConsumer(session.createQueue(QUEUE_NAME)); |
| |
| do { |
| Message message = consumer.receive(5000); |
| if (message != null) { |
| session.commit(); |
| messagesReceivedCountDown.countDown(); |
| } |
| if (messagesReceivedCountDown.getCount() % 500 == 0) { |
| LOG.info("remaining to receive: " + messagesReceivedCountDown.getCount()); |
| } |
| } while (messagesReceivedCountDown.getCount() != 0); |
| session.commit(); |
| consumer.close(); |
| session.close(); |
| connection.close(); |
| } catch (Exception e) { |
| Assert.fail(e.getMessage()); |
| } |
| } |
| } |
| |
| @Before |
| public void setup() throws Exception { |
| |
| // investigate liner gc issue - store usage not getting released |
| org.apache.log4j.Logger.getLogger(MessageDatabase.class).setLevel(Level.TRACE); |
| |
| broker = new BrokerService(); |
| broker.setDeleteAllMessagesOnStartup(true); |
| broker.setPersistent(true); |
| |
| KahaDBPersistenceAdapter kahaDB = new KahaDBPersistenceAdapter(); |
| kahaDB.setJournalMaxFileLength(256 * 1024); |
| kahaDB.setCleanupInterval(10*1000); |
| kahaDB.setCompactAcksAfterNoGC(5); |
| broker.setPersistenceAdapter(kahaDB); |
| |
| broker.getSystemUsage().getStoreUsage().setLimit(7*1024*1024); |
| |
| broker.start(); |
| broker.waitUntilStarted(); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| broker.stop(); |
| } |
| |
| @Test |
| public void testTransactedStoreUsageSuspendResume() throws Exception { |
| |
| ConsumerThread thread = new ConsumerThread(); |
| thread.start(); |
| ExecutorService sendExecutor = Executors.newSingleThreadExecutor(); |
| sendExecutor.execute(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| sendMessages(); |
| } catch (Exception ignored) { |
| } |
| } |
| }); |
| sendExecutor.shutdown(); |
| sendExecutor.awaitTermination(10, TimeUnit.MINUTES); |
| |
| boolean allMessagesReceived = messagesReceivedCountDown.await(10, TimeUnit.MINUTES); |
| if (!allMessagesReceived) { |
| LOG.info("Giving up - not all received on time..."); |
| LOG.info("System Mem Usage: " + broker.getSystemUsage().getMemoryUsage()); |
| LOG.info("System Store Usage: " +broker.getSystemUsage().getStoreUsage()); |
| LOG.info("Producer sent: " + messagesSentCountDown.getCount()); |
| LOG.info("Consumer remaining to receive: " + messagesReceivedCountDown.getCount()); |
| TestSupport.dumpAllThreads("StuckConsumer!"); |
| } |
| assertTrue("Got all messages: " + messagesReceivedCountDown, allMessagesReceived); |
| |
| // give consumers a chance to exit gracefully |
| TimeUnit.SECONDS.sleep(5); |
| } |
| |
| private void sendMessages() throws Exception { |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost"); |
| factory.setAlwaysSyncSend(true); |
| Connection connection = factory.createConnection(); |
| connection.start(); |
| Session session = connection.createSession(true, Session.SESSION_TRANSACTED); |
| Destination queue = session.createQueue(QUEUE_NAME); |
| Destination retainQueue = session.createQueue(QUEUE_NAME + "-retain"); |
| MessageProducer producer = session.createProducer(null); |
| |
| producer.setDeliveryMode(DeliveryMode.PERSISTENT); |
| BytesMessage message = session.createBytesMessage(); |
| message.writeBytes(new byte[10]); |
| |
| for (int i=0; i<1240; i++) { |
| // mostly fill the store with retained messages |
| // so consumer only has a small bit of store usage to work with |
| producer.send(retainQueue, message); |
| session.commit(); |
| } |
| |
| // issue with gc and linear store usage |
| // some daylight in needed between retainQ and regularQ to free up the store |
| // log4j.logger.org.apache.activemq.store.kahadb.MessageDatabase=TRACE |
| Destination shortRetainQueue = session.createQueue(QUEUE_NAME + "-retain-short"); |
| for (int i=0; i<1240; i++) { |
| producer.send(shortRetainQueue, message); |
| session.commit(); |
| } |
| |
| MessageConsumer consumer = session.createConsumer(shortRetainQueue); |
| for (int i=0; i<1240; i++) { |
| consumer.receive(4000); |
| session.commit(); |
| } |
| |
| LOG.info("Done with retain q. Mem Usage: " + broker.getSystemUsage().getMemoryUsage()); |
| LOG.info("Done with retain q. Store Usage: " +broker.getSystemUsage().getStoreUsage()); |
| consumerStartLatch.countDown(); |
| for (int i = 0; i < MAX_MESSAGES; i++) { |
| producer.send(queue, message); |
| if (i>0 && i%20 == 0) { |
| session.commit(); |
| } |
| messagesSentCountDown.countDown(); |
| if (i>0 && i%500 == 0) { |
| LOG.info("Sent : " + i); |
| } |
| |
| } |
| session.commit(); |
| producer.close(); |
| session.close(); |
| connection.close(); |
| } |
| |
| } |