ActiveMQ example source code file (KahaDBQueueTest.java)

This example ActiveMQ source code file (KahaDBQueueTest.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

exception, exception, file, file, io, kahadbpersistenceadapter, kahadbpersistenceadapter, kahadbqueuetest, override, override, simplequeuetest

The ActiveMQ KahaDBQueueTest.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.perf;

import java.io.File;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter;

/**
 * 
 */
public class KahaDBQueueTest extends SimpleQueueTest {

    @Override
    protected void setUp() throws Exception {
        this.numberOfDestinations = 25;
        this.numberofProducers = 1;
        super.setUp();
    }
    @Override
    protected void configureBroker(BrokerService answer,String uri) throws Exception {

        File dataFileDir = new File("target/test-amq-data/perfTest/kahadb");
        File archiveDir = new File(dataFileDir,"archive");
        KahaDBPersistenceAdapter kaha = new KahaDBPersistenceAdapter();
        kaha.setDirectory(dataFileDir);
        kaha.setDirectoryArchive(archiveDir);
        kaha.setArchiveDataLogs(false);

        // The setEnableJournalDiskSyncs(false) setting is a little dangerous right now, as I have not verified 
        // what happens if the index is updated but a journal update is lost.
        // Index is going to be in consistent, but can it be repaired?
        kaha.setEnableJournalDiskSyncs(true);
        // Using a bigger journal file size makes he take fewer spikes as it is not switching files as often.
        //kaha.setJournalMaxFileLength(1024*1024*100);
        
        // small batch means more frequent and smaller writes
        //kaha.setIndexWriteBatchSize(100);
        // do the index write in a separate thread
        kaha.setEnableIndexWriteAsync(true);
        kaha.setIndexCacheSize(10000);
        
        answer.setPersistenceAdapter(kaha);
        answer.addConnector(uri);
        answer.setDeleteAllMessagesOnStartup(true);

    }

}