/**
* 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.artemis.core.io;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.LockSupport;
import java.util.stream.Stream;
import io.netty.util.internal.shaded.org.jctools.queues.MpscArrayQueue;
import org.apache.activemq.artemis.ArtemisConstants;
import org.apache.activemq.artemis.api.core.ActiveMQBuffer;
import org.apache.activemq.artemis.core.io.aio.AIOSequentialFileFactory;
import org.apache.activemq.artemis.core.io.mapped.MappedSequentialFileFactory;
import org.apache.activemq.artemis.core.io.nio.NIOSequentialFileFactory;
import org.apache.activemq.artemis.core.journal.EncodingSupport;
import org.apache.activemq.artemis.core.journal.Journal;
import org.apache.activemq.artemis.core.journal.RecordInfo;
import org.apache.activemq.artemis.core.journal.impl.JournalImpl;
import org.apache.activemq.artemis.core.journal.impl.SimpleWaitIOCallback;
import org.apache.activemq.artemis.jlibaio.LibaioContext;
/**
* To benchmark Type.Aio you need to define -Djava.library.path=${project-root}/native/src/.libs when calling the JVM
*/
public class JournalTptBenchmark {
public static void main(String[] args) throws Exception {
final boolean useDefaultIoExecutor = true;
final int fileSize = 1024 * 1024;
final boolean dataSync = true;
final Type type = Type.Mapped;
final int tests = 5;
final int warmup = 20_000;
final int measurements = 20_000;
final int msgSize = 100;
final byte[] msgContent = new byte[msgSize];
Arrays.fill(msgContent, (byte) 1);
final int totalMessages = (measurements * tests + warmup);
final File tmpDirectory = new File("./");
//using the default configuration when the broker starts!
final SequentialFileFactory factory;
switch (type) {
case Mapped:
final MappedSequentialFileFactory mappedFactory = new MappedSequentialFileFactory(tmpDirectory, null, true);
factory = mappedFactory.chunkBytes(fileSize).overlapBytes(0).setDatasync(dataSync);
break;
case Nio:
factory = new NIOSequentialFileFactory(tmpDirectory, true, ArtemisConstants.DEFAULT_JOURNAL_BUFFER_SIZE_NIO, ArtemisConstants.DEFAULT_JOURNAL_BUFFER_TIMEOUT_NIO, 1, false, null).setDatasync(dataSync);
break;
case Aio:
factory = new AIOSequentialFileFactory(tmpDirectory, ArtemisConstants.DEFAULT_JOURNAL_BUFFER_SIZE_AIO, ArtemisConstants.DEFAULT_JOURNAL_BUFFER_TIMEOUT_AIO, 500, false, null).setDatasync(dataSync);
//disable it when using directly the same buffer: ((AIOSequentialFileFactory)factory).disableBufferReuse();
if (!LibaioContext.isLoaded()) {
throw new IllegalStateException("lib AIO not loaded!");
}
break;
default:
throw new AssertionError("unsupported case");
}
int numFiles = (int) (totalMessages * factory.calculateBlockSize(msgSize)) / fileSize;
if (numFiles < 2) {
numFiles = 2;
}
ExecutorService service = null;
final Journal journal;
if (useDefaultIoExecutor) {
journal = new JournalImpl(fileSize, numFiles, numFiles, Integer.MAX_VALUE, 100, factory, "activemq-data", "amq", factory.getMaxIO());
journal.start();
} else {
final ArrayList<MpscArrayQueue<Runnable>> tasks = new ArrayList<>();
service = Executors.newSingleThreadExecutor();
journal = new JournalImpl(() -> new Executor() {
private final MpscArrayQueue<Runnable> taskQueue = new MpscArrayQueue<>(1024);
{
tasks.add(taskQueue);
}
@Override
public void execute(Runnable command) {
while (!taskQueue.offer(command)) {
LockSupport.parkNanos(1L);
}
}
}, fileSize, numFiles, numFiles, Integer.MAX_VALUE, 100, factory, "activemq-data", "amq", factory.getMaxIO(), 0);
journal.start();
service.execute(() -> {
final int size = tasks.size();
final int capacity = 1024;
while (!Thread.currentThread().isInterrupted()) {
for (int i = 0; i < size; i++) {
final MpscArrayQueue<Runnable> runnables = tasks.get(i);
for (int j = 0; j < capacity; j++) {
final Runnable task = runnables.poll();
if (task == null) {
break;
}
try {
task.run();
} catch (Throwable t) {
System.err.println(t);
}
}
}
}
});
}
try {
journal.load(new ArrayList<RecordInfo>(), null, null);
} catch (Exception e) {
throw new RuntimeException(e);
}
try {
final EncodingSupport encodingSupport = new EncodingSupport() {
@Override
public int getEncodeSize() {
return msgSize;
}
@Override
public void encode(ActiveMQBuffer buffer) {
final int writerIndex = buffer.writerIndex();
buffer.setBytes(writerIndex, msgContent);
buffer.writerIndex(writerIndex + msgSize);
}
@Override
public void decode(ActiveMQBuffer buffer) {
}
};
long id = 1;
{
final long elapsed = writeMeasurements(id, journal, encodingSupport, warmup);
id += warmup;
System.out.println("warmup:" + (measurements * 1000_000_000L) / elapsed + " ops/sec");
}
for (int t = 0; t < tests; t++) {
final long elapsed = writeMeasurements(id, journal, encodingSupport, measurements);
System.out.println((measurements * 1000_000_000L) / elapsed + " ops/sec");
id += warmup;
}
} finally {
journal.stop();
if (service != null) {
service.shutdown();
}
final File[] fileToDeletes = tmpDirectory.listFiles();
System.out.println("Files to deletes" + Arrays.toString(fileToDeletes));
Stream.of(fileToDeletes).forEach(File::delete);
}
}
private static long writeMeasurements(long id,
Journal journal,
EncodingSupport encodingSupport,
int measurements) throws Exception {
System.gc();
TimeUnit.SECONDS.sleep(2);
final long start = System.nanoTime();
for (int i = 0; i < measurements; i++) {
write(id, journal, encodingSupport);
id++;
}
final long elapsed = System.nanoTime() - start;
return elapsed;
}
private static void write(long id, Journal journal, EncodingSupport encodingSupport) throws Exception {
journal.appendAddRecord(id, (byte) 1, encodingSupport, false);
final SimpleWaitIOCallback ioCallback = new SimpleWaitIOCallback();
journal.appendUpdateRecord(id, (byte) 1, encodingSupport, true, ioCallback);
ioCallback.waitCompletion();
}
private enum Type {
Mapped, Nio, Aio
}
}