trunk/activemq-core/src/test/java/org/apache/activemq/perf/KahaDBQueueTest.java

/**
 * 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);

    }

}