DaveTeng0 commented on code in PR #3754: URL: https://github.com/apache/ozone/pull/3754#discussion_r992832728
########## hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/freon/OzoneClientKeyReadWriteOps.java: ########## @@ -0,0 +1,252 @@ +/* + * 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 com.codahale.metrics.Timer; +import org.apache.commons.lang3.RandomUtils; +import org.apache.hadoop.hdds.cli.HddsVersionProvider; +import org.apache.hadoop.hdds.conf.OzoneConfiguration; +import org.apache.hadoop.ozone.client.OzoneBucket; +import org.apache.hadoop.ozone.client.OzoneClient; +import org.apache.hadoop.ozone.client.io.OzoneInputStream; +import org.apache.hadoop.ozone.client.io.OzoneOutputStream; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import picocli.CommandLine; + +import java.io.IOException; +import java.util.concurrent.Callable; +import java.util.concurrent.ThreadLocalRandom; + +import static org.apache.hadoop.ozone.freon.KeyGeneratorUtil.FILE_DIR_SEPARATOR; + +/** + * Ozone key generator/reader for performance test. + */ + [email protected](name = "ockrw", + aliases = "ozone-client-key-read-write-ops", + description = "Read and write keys with the help of the ozone clients.", + versionProvider = HddsVersionProvider.class, + mixinStandardHelpOptions = true, + showDefaultValues = true) +public class OzoneClientKeyReadWriteOps extends BaseFreonGenerator + implements Callable<Void> { + + @CommandLine.Option(names = {"-v", "--volume"}, + description = "Name of the volume which contains the test data. " + + "Will be created if missing.", + defaultValue = "vol1") + private String volumeName; + + @CommandLine.Option(names = {"-b", "--bucket"}, + description = "Name of the bucket which contains the test data.", + defaultValue = "bucket1") + private String bucketName; + + @CommandLine.Option(names = {"-m", "--read-metadata-only"}, + description = "If only read key's metadata. " + + "Supported values are Y, F.", + defaultValue = "false") + private boolean readMetadataOnly; + @CommandLine.Option(names = {"-s", "--start-index"}, + description = "Start index of keys of read/write operation.", + defaultValue = "0") + private int startIndex; + + @CommandLine.Option(names = {"-r", "--range"}, + description = "index range of read/write operations.", + defaultValue = "0") + private int range; + @CommandLine.Option(names = {"--size"}, + description = "Object size (in bytes) " + + "to be generated.", + defaultValue = "1") + private int objectSizeInBytes; + + @CommandLine.Option(names = {"--keySorted"}, + description = "Generated sorted key or not. The key name " + + "will be generated via md5 hash if choose " + + "to use unsorted key.", + defaultValue = "false") + private boolean keySorted; + + @CommandLine.Option(names = {"--percentage-read"}, + description = "Percentage of read tasks in mix workload.", + defaultValue = "100") + private int percentageRead; + + @CommandLine.Option(names = {"--clients"}, + description = + "Number of clients, defaults 1.", + defaultValue = "1") + private int clientsCount = 1; + + @CommandLine.Option( + names = "--om-service-id", + description = "OM Service ID" + ) + private String omServiceID = null; + + private Timer timer; + + private OzoneBucket[] ozoneBuckets; + + private byte[] keyContent; + + private static final Logger LOG = + LoggerFactory.getLogger(OzoneClientKeyReadWriteOps.class); + + /** + * Task type of read task, or write task. + */ + public enum TaskType { + READ_TASK, + WRITE_TASK + } + private KeyGeneratorUtil kg; + + + @Override + public Void call() throws Exception { + init(); + OzoneConfiguration ozoneConfiguration = createOzoneConfiguration(); + OzoneClient[] ozoneClients = new OzoneClient[clientsCount]; + for (int i = 0; i < clientsCount; i++) { + ozoneClients[i] = createOzoneClient(omServiceID, ozoneConfiguration); + } + + ensureVolumeAndBucketExist(ozoneClients[0], volumeName, bucketName); + ozoneBuckets = new OzoneBucket[clientsCount]; + for (int i = 0; i < clientsCount; i++) { + ozoneBuckets[i] = ozoneClients[i].getObjectStore().getVolume(volumeName) + .getBucket(bucketName); + } + + timer = getMetrics().timer("key-read-write"); + if (objectSizeInBytes >= 0) { + keyContent = RandomUtils.nextBytes(objectSizeInBytes); + } + if (kg == null) { + kg = new KeyGeneratorUtil(); + } + runTests(this::readWriteKeys); + + for (int i = 0; i < clientsCount; i++) { + if (ozoneClients[i] != null) { + ozoneClients[i].close(); + } + } + return null; + } + + public void readWriteKeys(long counter) throws Exception { + int clientIndex = (int)((counter) % clientsCount); + OzoneBucket ozoneBucket = ozoneBuckets[clientIndex]; + TaskType taskType = decideReadOrWriteTask(); + String keyName = getKeyName(clientIndex); + + timer.time(() -> { + try { + switch (taskType) { + case READ_TASK: + processReadTasks(keyName, ozoneBucket); + break; + case WRITE_TASK: + processWriteTasks(keyName, ozoneBucket); + break; + default: + break; + } + } catch (RuntimeException ex) { + LOG.error(ex.getMessage()); + throw ex; + } catch (IOException ex) { + LOG.error(ex.getMessage()); + throw new RuntimeException(ex.getMessage()); + } + + }); + } + + public void processReadTasks(String keyName, OzoneBucket ozoneBucket) + throws RuntimeException, IOException { + if (readMetadataOnly) { + ozoneBucket.getKey(keyName); + } else { + byte[] data = new byte[objectSizeInBytes]; + try (OzoneInputStream inputStream = ozoneBucket.readKey(keyName)) { + inputStream.read(data); + } + } + } + public void processWriteTasks(String keyName, OzoneBucket ozoneBucket) + throws RuntimeException, IOException { + try (OzoneOutputStream out = + ozoneBucket.createKey(keyName, objectSizeInBytes)) { + out.write(keyContent); + } catch (Exception ex) { + throw ex; + } + } + public TaskType decideReadOrWriteTask() { + if (!isMixWorkload()) { + if (percentageRead == 100) { + return TaskType.READ_TASK; + } else { + return TaskType.WRITE_TASK; + } + } + //mix workload + int tmp = ThreadLocalRandom.current().nextInt(100) + 1; // 1 ~ 100 + if (tmp < percentageRead) { + return TaskType.READ_TASK; + } else { + return TaskType.WRITE_TASK; + } + } + + public String getKeyName(int clientIndex) { + int start, end; + // separate tasks evenly to each client + if (range < clientsCount) { Review Comment: Then we utilize multiple nodes to separate the total range of keys the user want to test on. -- This is an automated message from the Apache Git Service. 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