| /** |
| * 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 |
| * <p> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p> |
| * 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.hadoop.ozone.freon; |
| |
| import java.net.URI; |
| import java.util.concurrent.Callable; |
| |
| import org.apache.hadoop.fs.FSDataOutputStream; |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.hdds.cli.HddsVersionProvider; |
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; |
| |
| import com.codahale.metrics.Timer; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import picocli.CommandLine.Command; |
| import picocli.CommandLine.Option; |
| |
| /** |
| * Data generator tool test om performance. |
| */ |
| @Command(name = "dfsg", |
| aliases = "dfs-file-generator", |
| description = "Create random files to the any dfs compatible file system.", |
| versionProvider = HddsVersionProvider.class, |
| mixinStandardHelpOptions = true, |
| showDefaultValues = true) |
| public class HadoopFsGenerator extends BaseFreonGenerator |
| implements Callable<Void> { |
| |
| private static final Logger LOG = |
| LoggerFactory.getLogger(HadoopFsGenerator.class); |
| |
| @Option(names = {"--path"}, |
| description = "Hadoop FS file system path", |
| defaultValue = "o3fs://bucket1.vol1") |
| private String rootPath; |
| |
| @Option(names = {"-s", "--size"}, |
| description = "Size of the generated files (in bytes)", |
| defaultValue = "10240") |
| private int fileSize; |
| |
| @Option(names = {"--buffer"}, |
| description = "Size of buffer used to generated the key content.", |
| defaultValue = "4096") |
| private int bufferSize; |
| |
| private ContentGenerator contentGenerator; |
| |
| private Timer timer; |
| |
| private FileSystem fileSystem; |
| |
| @Override |
| public Void call() throws Exception { |
| |
| init(); |
| |
| OzoneConfiguration configuration = createOzoneConfiguration(); |
| |
| fileSystem = FileSystem.get(URI.create(rootPath), configuration); |
| |
| contentGenerator = new ContentGenerator(fileSize, bufferSize); |
| |
| timer = getMetrics().timer("file-create"); |
| |
| runTests(this::createFile); |
| |
| return null; |
| } |
| |
| private void createFile(long counter) throws Exception { |
| Path file = new Path(rootPath + "/" + generateObjectName(counter)); |
| fileSystem.mkdirs(file.getParent()); |
| |
| timer.time(() -> { |
| try (FSDataOutputStream output = fileSystem.create(file)) { |
| contentGenerator.write(output); |
| } |
| return null; |
| }); |
| } |
| } |