/**
*
* Copyright 2004 Hiram Chirino
*
* Licensed 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.codehaus.activemq.store.journal;
import java.io.File;
import junit.framework.TestCase;
import org.activeio.Packet;
import org.activeio.journal.active.JournalImpl;
import org.activeio.packet.ByteArrayPacket;
/**
* Used to micro benchmark the ActiveIO Journal operations.
*
* Make sure you run with jvm option -server (makes a big difference).
* The tests simulate storing 100000 1k jms messages to see the rate of
* processing msg/sec.
*
* @version $Revision: 1.3 $
*/
public class ActiveIOJournalBenchmark extends TestCase {
private static final int MESSAGE_COUNT = 100000;
private Packet packet;
private JournalImpl journal;
public static void main(String[] args) {
junit.textui.TestRunner.run(ActiveIOJournalBenchmark.class);
}
protected void setUp() throws Exception {
File file = new File("target/journal");
JournalTestHelper.delete(file);
journal = new JournalImpl(file);
packet = new ByteArrayPacket(new byte[1072]);
}
protected void tearDown() throws Exception {
journal.dispose();
}
/**
* Runs at about 24000 msg/sec on OS X G4 1.5ghz. This shows that writing to the
* activeio journal is not a bottleneck.
*/
public void testAsyncAddMessage() throws Exception {
long start = System.currentTimeMillis();
for (int i = 0; i < MESSAGE_COUNT; i++) {
journal.write(packet, false);
}
long end = System.currentTimeMillis();
System.out.println(getName()+": test duration: "+(end-start)+" ms, msg/s: "+(MESSAGE_COUNT*1000f/(end-start)));
}
}