MAPREDUCE-6546. reconcile the two versions of the timeline service performance tests. (Sangjin Lee via Naganarasimha G R)

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/JobHistoryFileParser.java

@@ -1,53 +0,0 @@
-/**
- * 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.hadoop.mapred;
-
-import java.io.IOException;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser;
-import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
-
-class JobHistoryFileParser {
-  private static final Log LOG = LogFactory.getLog(JobHistoryFileParser.class);
-
-  private final FileSystem fs;
-
-  public JobHistoryFileParser(FileSystem fs) {
-    LOG.info("JobHistoryFileParser created with " + fs);
-    this.fs = fs;
-  }
-
-  public JobInfo parseHistoryFile(Path path) throws IOException {
-    LOG.info("parsing job history file " + path);
-    JobHistoryParser parser = new JobHistoryParser(fs, path);
-    return parser.parse();
-  }
-
-  public Configuration parseConfiguration(Path path) throws IOException {
-    LOG.info("parsing job configuration file " + path);
-    Configuration conf = new Configuration(false);
-    conf.addResource(fs.open(path));
-    return conf;
-  }
-}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TimelineServicePerformanceV2.java

@@ -1,229 +0,0 @@
-/**
- * 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.hadoop.mapred;
-
-import java.io.IOException;
-import java.util.Date;
-
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.conf.Configured;
-import org.apache.hadoop.io.IntWritable;
-import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.MRJobConfig;
-import org.apache.hadoop.mapreduce.SleepJob.SleepInputFormat;
-import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
-import org.apache.hadoop.util.GenericOptionsParser;
-import org.apache.hadoop.util.Tool;
-import org.apache.hadoop.util.ToolRunner;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
-import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
-
-public class TimelineServicePerformanceV2 extends Configured implements Tool {
-  static final int NUM_MAPS_DEFAULT = 1;
-
-  static final int SIMPLE_ENTITY_WRITER = 1;
-  static final int JOB_HISTORY_FILE_REPLAY_MAPPER = 2;
-  static int mapperType = SIMPLE_ENTITY_WRITER;
-
-  protected static int printUsage() {
-    System.err.println(
-        "Usage: [-m <maps>] number of mappers (default: " + NUM_MAPS_DEFAULT +
-            ")\n" +
-        "     [-mtype <mapper type in integer>]\n" +
-        "          1. simple entity write mapper\n" +
-        "          2. job history file replay mapper\n" +
-        "     [-s <(KBs)test>] number of KB per put (mtype=1, default: " +
-             SimpleEntityWriter.KBS_SENT_DEFAULT + " KB)\n" +
-        "     [-t] package sending iterations per mapper (mtype=1, default: " +
-             SimpleEntityWriter.TEST_TIMES_DEFAULT + ")\n" +
-        "     [-d <path>] root path of job history files (mtype=2)\n" +
-        "     [-r <replay mode>] (mtype=2)\n" +
-        "          1. write all entities for a job in one put (default)\n" +
-        "          2. write one entity at a time\n");
-    GenericOptionsParser.printGenericCommandUsage(System.err);
-    return -1;
-  }
-
-  /**
-   * Configure a job given argv.
-   */
-  public static boolean parseArgs(String[] args, Job job) throws IOException {
-    // set the common defaults
-    Configuration conf = job.getConfiguration();
-    conf.setInt(MRJobConfig.NUM_MAPS, NUM_MAPS_DEFAULT);
-
-    for (int i = 0; i < args.length; i++) {
-      if (args.length == i + 1) {
-        System.out.println("ERROR: Required parameter missing from " + args[i]);
-        return printUsage() == 0;
-      }
-      try {
-        if ("-m".equals(args[i])) {
-          if (Integer.parseInt(args[++i]) > 0) {
-            job.getConfiguration()
-                .setInt(MRJobConfig.NUM_MAPS, Integer.parseInt(args[i]));
-          }
-        } else if ("-mtype".equals(args[i])) {
-          mapperType = Integer.parseInt(args[++i]);
-        } else if ("-s".equals(args[i])) {
-          if (Integer.parseInt(args[++i]) > 0) {
-            conf.setInt(SimpleEntityWriter.KBS_SENT, Integer.parseInt(args[i]));
-          }
-        } else if ("-t".equals(args[i])) {
-          if (Integer.parseInt(args[++i]) > 0) {
-            conf.setInt(SimpleEntityWriter.TEST_TIMES,
-                Integer.parseInt(args[i]));
-          }
-        } else if ("-d".equals(args[i])) {
-          conf.set(JobHistoryFileReplayMapper.PROCESSING_PATH, args[++i]);
-        } else if ("-r".equals(args[i])) {
-          conf.setInt(JobHistoryFileReplayMapper.REPLAY_MODE,
-              Integer.parseInt(args[++i]));
-        } else {
-          System.out.println("Unexpected argument: " + args[i]);
-          return printUsage() == 0;
-        }
-      } catch (NumberFormatException except) {
-        System.out.println("ERROR: Integer expected instead of " + args[i]);
-        return printUsage() == 0;
-      } catch (Exception e) {
-        throw (IOException)new IOException().initCause(e);
-      }
-    }
-
-    // handle mapper-specific settings
-    switch (mapperType) {
-    case JOB_HISTORY_FILE_REPLAY_MAPPER:
-      job.setMapperClass(JobHistoryFileReplayMapper.class);
-      String processingPath =
-          conf.get(JobHistoryFileReplayMapper.PROCESSING_PATH);
-      if (processingPath == null || processingPath.isEmpty()) {
-        System.out.println("processing path is missing while mtype = 2");
-        return printUsage() == 0;
-      }
-      break;
-    case SIMPLE_ENTITY_WRITER:
-    default:
-      job.setMapperClass(SimpleEntityWriter.class);
-      // use the current timestamp as the "run id" of the test: this will
-      // be used as simulating the cluster timestamp for apps
-      conf.setLong(SimpleEntityWriter.TIMELINE_SERVICE_PERFORMANCE_RUN_ID,
-          System.currentTimeMillis());
-      break;
-    }
-
-    return true;
-  }
-
-  /**
-   * TimelineServer Performance counters
-   */
-  static enum PerfCounters {
-    TIMELINE_SERVICE_WRITE_TIME,
-    TIMELINE_SERVICE_WRITE_COUNTER,
-    TIMELINE_SERVICE_WRITE_FAILURES,
-    TIMELINE_SERVICE_WRITE_KBS,
-  }
-
-  public int run(String[] args) throws Exception {
-
-    Job job = Job.getInstance(getConf());
-    job.setJarByClass(TimelineServicePerformanceV2.class);
-    job.setMapperClass(SimpleEntityWriter.class);
-    job.setInputFormatClass(SleepInputFormat.class);
-    job.setOutputFormatClass(NullOutputFormat.class);
-    job.setNumReduceTasks(0);
-    if (!parseArgs(args, job)) {
-      return -1;
-    }
-
-    Date startTime = new Date();
-    System.out.println("Job started: " + startTime);
-    int ret = job.waitForCompletion(true) ? 0 : 1;
-    org.apache.hadoop.mapreduce.Counters counters = job.getCounters();
-    long writetime =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_TIME).getValue();
-    long writecounts =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).getValue();
-    long writesize =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_KBS).getValue();
-    double transacrate = writecounts * 1000 / (double)writetime;
-    double iorate = writesize * 1000 / (double)writetime;
-    int numMaps =
-        Integer.parseInt(job.getConfiguration().get(MRJobConfig.NUM_MAPS));
-
-    System.out.println("TRANSACTION RATE (per mapper): " + transacrate +
-        " ops/s");
-    System.out.println("IO RATE (per mapper): " + iorate + " KB/s");
-
-    System.out.println("TRANSACTION RATE (total): " + transacrate*numMaps +
-        " ops/s");
-    System.out.println("IO RATE (total): " + iorate*numMaps + " KB/s");
-
-    return ret;
-  }
-
-  public static void main(String[] args) throws Exception {
-    int res =
-        ToolRunner.run(new Configuration(), new TimelineServicePerformanceV2(),
-            args);
-    System.exit(res);
-  }
-
-  /**
-   *  To ensure that the compression really gets exercised, generate a
-   *  random alphanumeric fixed length payload
-   */
-  static final char[] alphaNums = new char[] { 'a', 'b', 'c', 'd', 'e', 'f',
-    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
-    's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
-    'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
-    'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2',
-    '3', '4', '5', '6', '7', '8', '9', '0', ' ' };
-
-  /**
-   * Base mapper for writing entities to the timeline service. Subclasses
-   * override {@link #writeEntities(Configuration, TimelineCollectorManager,
-   * org.apache.hadoop.mapreduce.Mapper.Context)} to create and write entities
-   * to the timeline service.
-   */
-  public static abstract class EntityWriter
-      extends org.apache.hadoop.mapreduce.Mapper<IntWritable,IntWritable,Writable,Writable> {
-    @Override
-    public void map(IntWritable key, IntWritable val, Context context)
-        throws IOException {
-
-      // create the timeline collector manager wired with the writer
-      Configuration tlConf = new YarnConfiguration();
-      TimelineCollectorManager manager = new TimelineCollectorManager("test");
-      manager.init(tlConf);
-      manager.start();
-      try {
-        // invoke the method to have the subclass write entities
-        writeEntities(tlConf, manager, context);
-      } finally {
-        manager.close();
-      }
-    }
-
-    protected abstract void writeEntities(Configuration tlConf,
-        TimelineCollectorManager manager, Context context) throws IOException;
-  }
-}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/EntityWriterV2.java

@@ -0,0 +1,56 @@
+/**
+ * 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.hadoop.mapreduce;
+
+import java.io.IOException;
+
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.io.IntWritable;
+import org.apache.hadoop.io.Writable;
+import org.apache.hadoop.yarn.conf.YarnConfiguration;
+import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
+
+/**
+ * Base mapper for writing entities to the timeline service. Subclasses
+ * override {@link #writeEntities(Configuration, TimelineCollectorManager,
+ * org.apache.hadoop.mapreduce.Mapper.Context)} to create and write entities
+ * to the timeline service.
+ */
+abstract class EntityWriterV2
+    extends org.apache.hadoop.mapreduce.Mapper<IntWritable,IntWritable,Writable,Writable> {
+  @Override
+  public void map(IntWritable key, IntWritable val, Context context)
+      throws IOException {
+
+    // create the timeline collector manager wired with the writer
+    Configuration tlConf = new YarnConfiguration();
+    TimelineCollectorManager manager = new TimelineCollectorManager("test");
+    manager.init(tlConf);
+    manager.start();
+    try {
+      // invoke the method to have the subclass write entities
+      writeEntities(tlConf, manager, context);
+    } finally {
+      manager.close();
+    }
+  }
+
+  protected abstract void writeEntities(Configuration tlConf,
+      TimelineCollectorManager manager, Context context) throws IOException;
+}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/JobHistoryFileReplayMapperV1.java

@@ -20,33 +20,21 @@ package org.apache.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.util.Collection;
-import java.util.HashMap;
-import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.TimeUnit;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.LocatedFileStatus;
 import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.RemoteIterator;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.mapreduce.Mapper.Context;
-import org.apache.hadoop.mapreduce.TimelineServicePerformance.PerfCounters;
-import org.apache.hadoop.mapreduce.JobHistoryFileReplayHelper;
 import org.apache.hadoop.mapreduce.JobHistoryFileReplayHelper.JobFiles;
-import org.apache.hadoop.mapreduce.MRJobConfig;
-import org.apache.hadoop.mapreduce.TypeConverter;
+import org.apache.hadoop.mapreduce.TimelineServicePerformance.PerfCounters;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
 import org.apache.hadoop.yarn.client.api.TimelineClient;
 import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/JobHistoryFileReplayMapper.java → hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/JobHistoryFileReplayMapperV2.java

@@ -16,28 +16,19 @@
  * limitations under the License.
  */
 
-package org.apache.hadoop.mapred;
+package org.apache.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.util.Collection;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 import java.util.concurrent.TimeUnit;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.LocatedFileStatus;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.fs.RemoteIterator;
-import org.apache.hadoop.mapred.TimelineServicePerformanceV2.EntityWriter;
-import org.apache.hadoop.mapred.TimelineServicePerformanceV2.PerfCounters;
-import org.apache.hadoop.mapreduce.MRJobConfig;
-import org.apache.hadoop.mapreduce.TypeConverter;
+import org.apache.hadoop.mapred.JobID;
+import org.apache.hadoop.mapreduce.JobHistoryFileReplayHelper.JobFiles;
+import org.apache.hadoop.mapreduce.TimelineServicePerformance.PerfCounters;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
 import org.apache.hadoop.mapreduce.v2.api.records.JobId;
 import org.apache.hadoop.security.UserGroupInformation;
@@ -49,96 +40,24 @@ import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector
 import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
 
 /**
- * Mapper for TimelineServicePerformanceV2 that replays job history files to the
- * timeline service.
+ * Mapper for TimelineServicePerformance that replays job history files to the
+ * timeline service v.2.
  *
  */
-class JobHistoryFileReplayMapper extends EntityWriter {
+class JobHistoryFileReplayMapperV2 extends EntityWriterV2 {
   private static final Log LOG =
-      LogFactory.getLog(JobHistoryFileReplayMapper.class);
-
-  static final String PROCESSING_PATH = "processing path";
-  static final String REPLAY_MODE = "replay mode";
-  static final int WRITE_ALL_AT_ONCE = 1;
-  static final int WRITE_PER_ENTITY = 2;
-  static final int REPLAY_MODE_DEFAULT = WRITE_ALL_AT_ONCE;
-
-  private static final Pattern JOB_ID_PARSER =
-      Pattern.compile("^(job_[0-9]+_([0-9]+)).*");
-
-  public static class JobFiles {
-    private final String jobId;
-    private Path jobHistoryFilePath;
-    private Path jobConfFilePath;
-
-    public JobFiles(String jobId) {
-      this.jobId = jobId;
-    }
-
-    public String getJobId() {
-      return jobId;
-    }
-
-    public Path getJobHistoryFilePath() {
-      return jobHistoryFilePath;
-    }
-
-    public void setJobHistoryFilePath(Path jobHistoryFilePath) {
-      this.jobHistoryFilePath = jobHistoryFilePath;
-    }
-
-    public Path getJobConfFilePath() {
-      return jobConfFilePath;
-    }
-
-    public void setJobConfFilePath(Path jobConfFilePath) {
-      this.jobConfFilePath = jobConfFilePath;
-    }
-
-    @Override
-    public int hashCode() {
-      return jobId.hashCode();
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-      if (this == obj) {
-        return true;
-      }
-      if (obj == null) {
-        return false;
-      }
-      if (getClass() != obj.getClass()) {
-        return false;
-      }
-      JobFiles other = (JobFiles) obj;
-      return jobId.equals(other.jobId);
-    }
-  }
-
-  private enum FileType { JOB_HISTORY_FILE, JOB_CONF_FILE, UNKNOWN }
-
+      LogFactory.getLog(JobHistoryFileReplayMapperV2.class);
 
   @Override
   protected void writeEntities(Configuration tlConf,
       TimelineCollectorManager manager, Context context) throws IOException {
-    // collect the apps it needs to process
-    Configuration conf = context.getConfiguration();
-    int taskId = context.getTaskAttemptID().getTaskID().getId();
-    int size = conf.getInt(MRJobConfig.NUM_MAPS,
-        TimelineServicePerformanceV2.NUM_MAPS_DEFAULT);
-    String processingDir =
-        conf.get(JobHistoryFileReplayMapper.PROCESSING_PATH);
-    int replayMode =
-        conf.getInt(JobHistoryFileReplayMapper.REPLAY_MODE,
-        JobHistoryFileReplayMapper.REPLAY_MODE_DEFAULT);
-    Path processingPath = new Path(processingDir);
-    FileSystem processingFs = processingPath.getFileSystem(conf);
-    JobHistoryFileParser parser = new JobHistoryFileParser(processingFs);
-    TimelineEntityConverter converter = new TimelineEntityConverter();
+    JobHistoryFileReplayHelper helper = new JobHistoryFileReplayHelper(context);
+    int replayMode = helper.getReplayMode();
+    JobHistoryFileParser parser = helper.getParser();
+    TimelineEntityConverterV2 converter = new TimelineEntityConverterV2();
 
-    Collection<JobFiles> jobs =
-        selectJobFiles(processingFs, processingPath, taskId, size);
+    // collect the apps it needs to process
+    Collection<JobFiles> jobs = helper.getJobFiles();
     if (jobs.isEmpty()) {
       LOG.info(context.getTaskAttemptID().getTaskID() +
           " will process no jobs");
@@ -149,6 +68,13 @@ class JobHistoryFileReplayMapper extends EntityWriter {
     for (JobFiles job: jobs) {
       // process each job
       String jobIdStr = job.getJobId();
+      // skip if either of the file is missing
+      if (job.getJobConfFilePath() == null ||
+          job.getJobHistoryFilePath() == null) {
+        LOG.info(jobIdStr + " missing either the job history file or the " +
+            "configuration file. Skipping.");
+        continue;
+      }
       LOG.info("processing " + jobIdStr + "...");
       JobId jobId = TypeConverter.toYarn(JobID.forName(jobIdStr));
       ApplicationId appId = jobId.getAppId();
@@ -184,10 +110,10 @@ class JobHistoryFileReplayMapper extends EntityWriter {
         long startWrite = System.nanoTime();
         try {
           switch (replayMode) {
-          case JobHistoryFileReplayMapper.WRITE_ALL_AT_ONCE:
+          case JobHistoryFileReplayHelper.WRITE_ALL_AT_ONCE:
             writeAllEntities(collector, entitySet, ugi);
             break;
-          case JobHistoryFileReplayMapper.WRITE_PER_ENTITY:
+          case JobHistoryFileReplayHelper.WRITE_PER_ENTITY:
             writePerEntity(collector, entitySet, ugi);
             break;
           default:
@@ -232,70 +158,4 @@ class JobHistoryFileReplayMapper extends EntityWriter {
       LOG.info("wrote entity " + entity.getId());
     }
   }
-
-  private Collection<JobFiles> selectJobFiles(FileSystem fs,
-      Path processingRoot, int i, int size) throws IOException {
-    Map<String,JobFiles> jobs = new HashMap<>();
-    RemoteIterator<LocatedFileStatus> it = fs.listFiles(processingRoot, true);
-    while (it.hasNext()) {
-      LocatedFileStatus status = it.next();
-      Path path = status.getPath();
-      String fileName = path.getName();
-      Matcher m = JOB_ID_PARSER.matcher(fileName);
-      if (!m.matches()) {
-        continue;
-      }
-      String jobId = m.group(1);
-      int lastId = Integer.parseInt(m.group(2));
-      int mod = lastId % size;
-      if (mod != i) {
-        continue;
-      }
-      LOG.info("this mapper will process file " + fileName);
-      // it's mine
-      JobFiles jobFiles = jobs.get(jobId);
-      if (jobFiles == null) {
-        jobFiles = new JobFiles(jobId);
-        jobs.put(jobId, jobFiles);
-      }
-      setFilePath(fileName, path, jobFiles);
-    }
-    return jobs.values();
-  }
-
-  private void setFilePath(String fileName, Path path,
-      JobFiles jobFiles) {
-    // determine if we're dealing with a job history file or a job conf file
-    FileType type = getFileType(fileName);
-    switch (type) {
-    case JOB_HISTORY_FILE:
-      if (jobFiles.getJobHistoryFilePath() == null) {
-        jobFiles.setJobHistoryFilePath(path);
-      } else {
-        LOG.warn("we already have the job history file " +
-            jobFiles.getJobHistoryFilePath() + ": skipping " + path);
-      }
-      break;
-    case JOB_CONF_FILE:
-      if (jobFiles.getJobConfFilePath() == null) {
-        jobFiles.setJobConfFilePath(path);
-      } else {
-        LOG.warn("we already have the job conf file " +
-            jobFiles.getJobConfFilePath() + ": skipping " + path);
-      }
-      break;
-    case UNKNOWN:
-      LOG.warn("unknown type: " + path);
-    }
-  }
-
-  private FileType getFileType(String fileName) {
-    if (fileName.endsWith(".jhist")) {
-      return FileType.JOB_HISTORY_FILE;
-    }
-    if (fileName.endsWith("_conf.xml")) {
-      return FileType.JOB_CONF_FILE;
-    }
-    return FileType.UNKNOWN;
-  }
 }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/SimpleEntityWriterConstants.java

@@ -0,0 +1,43 @@
+/**
+ * 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.hadoop.mapreduce;
+
+/**
+ * Constants for simple entity writers.
+ */
+interface SimpleEntityWriterConstants {
+  // constants for mtype = 1
+  String KBS_SENT = "kbs sent";
+  int KBS_SENT_DEFAULT = 1;
+  String TEST_TIMES = "testtimes";
+  int TEST_TIMES_DEFAULT = 100;
+  String TIMELINE_SERVICE_PERFORMANCE_RUN_ID =
+      "timeline.server.performance.run.id";
+
+  /**
+   *  To ensure that the compression really gets exercised, generate a
+   *  random alphanumeric fixed length payload
+   */
+  char[] ALPHA_NUMS = new char[] { 'a', 'b', 'c', 'd', 'e', 'f',
+    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
+    's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
+    'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
+    'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2',
+    '3', '4', '5', '6', '7', '8', '9', '0', ' ' };
+}

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/SimpleEntityWriterV1.java

@@ -27,44 +27,22 @@ import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.io.IntWritable;
 import org.apache.hadoop.io.Writable;
-import org.apache.hadoop.mapreduce.Mapper.Context;
 import org.apache.hadoop.mapreduce.TimelineServicePerformance.PerfCounters;
-import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.security.UserGroupInformation;
-import org.apache.hadoop.yarn.api.records.ApplicationId;
-import org.apache.hadoop.yarn.api.records.timeline.TimelineEntities;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timeline.TimelineEvent;
 import org.apache.hadoop.yarn.client.api.TimelineClient;
 import org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl;
-import org.apache.hadoop.yarn.conf.YarnConfiguration;
 
 /**
    * Adds simple entities with random string payload, events, metrics, and
    * configuration.
    */
-class SimpleEntityWriterV1 extends
-    org.apache.hadoop.mapreduce.Mapper<IntWritable,IntWritable,Writable,Writable> {
+class SimpleEntityWriterV1
+    extends org.apache.hadoop.mapreduce.Mapper<IntWritable,IntWritable,Writable,Writable>
+    implements SimpleEntityWriterConstants {
   private static final Log LOG = LogFactory.getLog(SimpleEntityWriterV1.class);
 
-  // constants for mtype = 1
-  static final String KBS_SENT = "kbs sent";
-  static final int KBS_SENT_DEFAULT = 1;
-  static final String TEST_TIMES = "testtimes";
-  static final int TEST_TIMES_DEFAULT = 100;
-  static final String TIMELINE_SERVICE_PERFORMANCE_RUN_ID =
-      "timeline.server.performance.run.id";
-  /**
-   *  To ensure that the compression really gets exercised, generate a
-   *  random alphanumeric fixed length payload
-   */
-  private static char[] ALPHA_NUMS = new char[] { 'a', 'b', 'c', 'd', 'e', 'f',
-    'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
-    's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
-    'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
-    'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '1', '2',
-    '3', '4', '5', '6', '7', '8', '9', '0', ' ' };
-
   public void map(IntWritable key, IntWritable val, Context context) throws IOException {
     TimelineClient tlc = new TimelineClientImpl();
     Configuration conf = context.getConfiguration();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/SimpleEntityWriter.java → hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/SimpleEntityWriterV2.java

@@ -16,7 +16,7 @@
  * limitations under the License.
  */
 
-package org.apache.hadoop.mapred;
+package org.apache.hadoop.mapreduce;
 
 import java.io.IOException;
 import java.util.Random;
@@ -25,9 +25,7 @@ import java.util.concurrent.TimeUnit;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.mapred.TimelineServicePerformanceV2.EntityWriter;
-import org.apache.hadoop.mapred.TimelineServicePerformanceV2.PerfCounters;
-import org.apache.hadoop.mapreduce.TaskAttemptID;
+import org.apache.hadoop.mapreduce.TimelineServicePerformance.PerfCounters;
 import org.apache.hadoop.security.UserGroupInformation;
 import org.apache.hadoop.yarn.api.records.ApplicationId;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntities;
@@ -39,19 +37,12 @@ import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollector
 import org.apache.hadoop.yarn.server.timelineservice.collector.TimelineCollectorManager;
 
 /**
-   * Adds simple entities with random string payload, events, metrics, and
-   * configuration.
-   */
-class SimpleEntityWriter extends EntityWriter {
-  private static final Log LOG = LogFactory.getLog(SimpleEntityWriter.class);
-
-  // constants for mtype = 1
-  static final String KBS_SENT = "kbs sent";
-  static final int KBS_SENT_DEFAULT = 1;
-  static final String TEST_TIMES = "testtimes";
-  static final int TEST_TIMES_DEFAULT = 100;
-  static final String TIMELINE_SERVICE_PERFORMANCE_RUN_ID =
-      "timeline.server.performance.run.id";
+ * Adds simple entities with random string payload, events, metrics, and
+ * configuration.
+ */
+class SimpleEntityWriterV2 extends EntityWriterV2
+    implements SimpleEntityWriterConstants {
+  private static final Log LOG = LogFactory.getLog(SimpleEntityWriterV2.class);
 
   protected void writeEntities(Configuration tlConf,
       TimelineCollectorManager manager, Context context) throws IOException {
@@ -87,8 +78,8 @@ class SimpleEntityWriter extends EntityWriter {
         // Generate a fixed length random payload
         for (int xx = 0; xx < kbs * 1024; xx++) {
           int alphaNumIdx =
-              rand.nextInt(TimelineServicePerformanceV2.alphaNums.length);
-          payLoad[xx] = TimelineServicePerformanceV2.alphaNums[alphaNumIdx];
+              rand.nextInt(ALPHA_NUMS.length);
+          payLoad[xx] = ALPHA_NUMS[alphaNumIdx];
         }
         String entId = taskAttemptId + "_" + Integer.toString(i);
         final TimelineEntity entity = new TimelineEntity();

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TimelineEntityConverterV1.java

@@ -25,11 +25,6 @@ import java.util.Set;
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.mapreduce.Counter;
-import org.apache.hadoop.mapreduce.CounterGroup;
-import org.apache.hadoop.mapreduce.Counters;
-import org.apache.hadoop.mapreduce.TaskAttemptID;
-import org.apache.hadoop.mapreduce.TaskID;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.JobInfo;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskAttemptInfo;
 import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskInfo;

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapred/TimelineEntityConverter.java → hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TimelineEntityConverterV2.java

@@ -16,7 +16,7 @@
  * limitations under the License.
  */
 
-package org.apache.hadoop.mapred;
+package org.apache.hadoop.mapreduce;
 
 import java.util.ArrayList;
 import java.util.HashSet;
@@ -38,9 +38,9 @@ import org.apache.hadoop.mapreduce.jobhistory.JobHistoryParser.TaskInfo;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineEntity;
 import org.apache.hadoop.yarn.api.records.timelineservice.TimelineMetric;
 
-class TimelineEntityConverter {
+class TimelineEntityConverterV2 {
   private static final Log LOG =
-      LogFactory.getLog(TimelineEntityConverter.class);
+      LogFactory.getLog(TimelineEntityConverterV2.class);
 
   static final String JOB = "MAPREDUCE_JOB";
   static final String TASK = "MAPREDUCE_TASK";

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/mapreduce/TimelineServicePerformance.java

@@ -23,8 +23,6 @@ import java.util.Date;
 
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.conf.Configured;
-import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.MRJobConfig;
 import org.apache.hadoop.mapreduce.SleepJob.SleepInputFormat;
 import org.apache.hadoop.mapreduce.lib.output.NullOutputFormat;
 import org.apache.hadoop.util.GenericOptionsParser;
@@ -46,15 +44,19 @@ public class TimelineServicePerformance extends Configured implements Tool {
     System.err.println(
         "Usage: [-m <maps>] number of mappers (default: " + NUM_MAPS_DEFAULT +
             ")\n" +
-        "     [-v] timeline service version\n" +
-        "     [-mtype <mapper type in integer>]\n" +
-        "          1. simple entity write mapper (default)\n" +
+        "     [-v] timeline service version (default: " +
+            TIMELINE_SERVICE_VERSION_1 + ")\n" +
+        "          1. version 1.x\n" +
+        "          2. version 2.x\n" +
+        "     [-mtype <mapper type in integer>] (default: " +
+            SIMPLE_ENTITY_WRITER + ")\n" +
+        "          1. simple entity write mapper\n" +
         "          2. jobhistory files replay mapper\n" +
         "     [-s <(KBs)test>] number of KB per put (mtype=1, default: " +
-             SimpleEntityWriterV1.KBS_SENT_DEFAULT + " KB)\n" +
+             SimpleEntityWriterConstants.KBS_SENT_DEFAULT + " KB)\n" +
         "     [-t] package sending iterations per mapper (mtype=1, default: " +
-             SimpleEntityWriterV1.TEST_TIMES_DEFAULT + ")\n" +
-        "     [-d <path>] root path of job history files (mtype=2)\n" +
+             SimpleEntityWriterConstants.TEST_TIMES_DEFAULT + ")\n" +
+        "     [-d <path>] hdfs root path of job history files (mtype=2)\n" +
         "     [-r <replay mode>] (mtype=2)\n" +
         "          1. write all entities for a job in one put (default)\n" +
         "          2. write one entity at a time\n");
@@ -78,8 +80,7 @@ public class TimelineServicePerformance extends Configured implements Tool {
       try {
         if ("-v".equals(args[i])) {
           timeline_service_version = Integer.parseInt(args[++i]);
-        }
-        if ("-m".equals(args[i])) {
+        } else if ("-m".equals(args[i])) {
           if (Integer.parseInt(args[++i]) > 0) {
             job.getConfiguration()
                 .setInt(MRJobConfig.NUM_MAPS, Integer.parseInt(args[i]));
@@ -88,11 +89,12 @@ public class TimelineServicePerformance extends Configured implements Tool {
           mapperType = Integer.parseInt(args[++i]);
         } else if ("-s".equals(args[i])) {
           if (Integer.parseInt(args[++i]) > 0) {
-            conf.setInt(SimpleEntityWriterV1.KBS_SENT, Integer.parseInt(args[i]));
+            conf.setInt(SimpleEntityWriterConstants.KBS_SENT,
+                Integer.parseInt(args[i]));
           }
         } else if ("-t".equals(args[i])) {
           if (Integer.parseInt(args[++i]) > 0) {
-            conf.setInt(SimpleEntityWriterV1.TEST_TIMES,
+            conf.setInt(SimpleEntityWriterConstants.TEST_TIMES,
                 Integer.parseInt(args[i]));
           }
         } else if ("-d".equals(args[i])) {
@@ -113,28 +115,40 @@ public class TimelineServicePerformance extends Configured implements Tool {
     }
 
     // handle mapper-specific settings
-    switch (timeline_service_version) {
-    case TIMELINE_SERVICE_VERSION_1:
-    default:
-      switch (mapperType) {
-      case JOB_HISTORY_FILE_REPLAY_MAPPER:
+    switch (mapperType) {
+    case JOB_HISTORY_FILE_REPLAY_MAPPER:
+      String processingPath =
+          conf.get(JobHistoryFileReplayHelper.PROCESSING_PATH);
+      if (processingPath == null || processingPath.isEmpty()) {
+        System.out.println("processing path is missing while mtype = 2");
+        return printUsage() == 0;
+      }
+      switch (timeline_service_version) {
+      case TIMELINE_SERVICE_VERSION_2:
+        job.setMapperClass(JobHistoryFileReplayMapperV2.class);
+        break;
+      case TIMELINE_SERVICE_VERSION_1:
+      default:
         job.setMapperClass(JobHistoryFileReplayMapperV1.class);
-        String processingPath =
-            conf.get(JobHistoryFileReplayHelper.PROCESSING_PATH);
-        if (processingPath == null || processingPath.isEmpty()) {
-          System.out.println("processing path is missing while mtype = 2");
-          return printUsage() == 0;
-        }
         break;
-      case SIMPLE_ENTITY_WRITER:
+      }
+      break;
+    case SIMPLE_ENTITY_WRITER:
+    default:
+      // use the current timestamp as the "run id" of the test: this will
+      // be used as simulating the cluster timestamp for apps
+      conf.setLong(SimpleEntityWriterConstants.TIMELINE_SERVICE_PERFORMANCE_RUN_ID,
+          System.currentTimeMillis());
+      switch (timeline_service_version) {
+      case TIMELINE_SERVICE_VERSION_2:
+        job.setMapperClass(SimpleEntityWriterV2.class);
+        break;
+      case TIMELINE_SERVICE_VERSION_1:
       default:
         job.setMapperClass(SimpleEntityWriterV1.class);
-        // use the current timestamp as the "run id" of the test: this will
-        // be used as simulating the cluster timestamp for apps
-        conf.setLong(SimpleEntityWriterV1.TIMELINE_SERVICE_PERFORMANCE_RUN_ID,
-          System.currentTimeMillis());
         break;
       }
+      break;
     }
     return true;
   }
@@ -164,25 +178,46 @@ public class TimelineServicePerformance extends Configured implements Tool {
     Date startTime = new Date();
     System.out.println("Job started: " + startTime);
     int ret = job.waitForCompletion(true) ? 0 : 1;
-    org.apache.hadoop.mapreduce.Counters counters = job.getCounters();
-    long writetime =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_TIME).getValue();
-    long writecounts =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).getValue();
-    long writesize =
-        counters.findCounter(PerfCounters.TIMELINE_SERVICE_WRITE_KBS).getValue();
-    double transacrate = writecounts * 1000 / (double)writetime;
-    double iorate = writesize * 1000 / (double)writetime;
-    int numMaps =
-        Integer.parseInt(job.getConfiguration().get(MRJobConfig.NUM_MAPS));
-
-    System.out.println("TRANSACTION RATE (per mapper): " + transacrate +
-        " ops/s");
-    System.out.println("IO RATE (per mapper): " + iorate + " KB/s");
-
-    System.out.println("TRANSACTION RATE (total): " + transacrate*numMaps +
-        " ops/s");
-    System.out.println("IO RATE (total): " + iorate*numMaps + " KB/s");
+    if (job.isSuccessful()) {
+      org.apache.hadoop.mapreduce.Counters counters = job.getCounters();
+      long writecounts =
+          counters.findCounter(
+              PerfCounters.TIMELINE_SERVICE_WRITE_COUNTER).getValue();
+      long writefailures =
+          counters.findCounter(
+              PerfCounters.TIMELINE_SERVICE_WRITE_FAILURES).getValue();
+      if (writefailures > 0 && writefailures == writecounts) {
+        // see if we have a complete failure to write
+        System.out.println("Job failed: all writes failed!");
+      } else {
+        long writetime =
+            counters.findCounter(
+                PerfCounters.TIMELINE_SERVICE_WRITE_TIME).getValue();
+        long writesize =
+            counters.findCounter(
+                PerfCounters.TIMELINE_SERVICE_WRITE_KBS).getValue();
+        if (writetime == 0L) {
+          // see if write time is zero (normally shouldn't happen)
+          System.out.println("Job failed: write time is 0!");
+        } else {
+          double transacrate = writecounts * 1000 / (double)writetime;
+          double iorate = writesize * 1000 / (double)writetime;
+          int numMaps =
+              Integer.parseInt(
+                  job.getConfiguration().get(MRJobConfig.NUM_MAPS));
+
+          System.out.println("TRANSACTION RATE (per mapper): " + transacrate +
+              " ops/s");
+          System.out.println("IO RATE (per mapper): " + iorate + " KB/s");
+
+          System.out.println("TRANSACTION RATE (total): " +
+              transacrate*numMaps + " ops/s");
+          System.out.println("IO RATE (total): " + iorate*numMaps + " KB/s");
+        }
+      }
+    } else {
+      System.out.println("Job failed: " + job.getStatus().getFailureInfo());
+    }
 
     return ret;
   }

hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-jobclient/src/test/java/org/apache/hadoop/test/MapredTestDriver.java

@@ -18,6 +18,19 @@
 
 package org.apache.hadoop.test;
 
+import org.apache.hadoop.fs.DFSCIOTest;
+import org.apache.hadoop.fs.DistributedFSCheck;
+import org.apache.hadoop.fs.JHLogAnalyzer;
+import org.apache.hadoop.fs.TestDFSIO;
+import org.apache.hadoop.fs.TestFileSystem;
+import org.apache.hadoop.fs.loadGenerator.DataGenerator;
+import org.apache.hadoop.fs.loadGenerator.LoadGenerator;
+import org.apache.hadoop.fs.loadGenerator.LoadGeneratorMR;
+import org.apache.hadoop.fs.loadGenerator.StructureGenerator;
+import org.apache.hadoop.fs.slive.SliveTest;
+import org.apache.hadoop.hdfs.NNBench;
+import org.apache.hadoop.hdfs.NNBenchWithoutMR;
+import org.apache.hadoop.io.FileBench;
 import org.apache.hadoop.io.TestSequenceFile;
 import org.apache.hadoop.mapred.BigMapOutput;
 import org.apache.hadoop.mapred.GenericMRLoadGenerator;
@@ -28,28 +41,13 @@ import org.apache.hadoop.mapred.TestMapRed;
 import org.apache.hadoop.mapred.TestSequenceFileInputFormat;
 import org.apache.hadoop.mapred.TestTextInputFormat;
 import org.apache.hadoop.mapred.ThreadedMapBenchmark;
-import org.apache.hadoop.mapreduce.TimelineServicePerformance;
-import org.apache.hadoop.mapred.TimelineServicePerformanceV2;
 import org.apache.hadoop.mapreduce.FailJob;
 import org.apache.hadoop.mapreduce.LargeSorter;
 import org.apache.hadoop.mapreduce.MiniHadoopClusterManager;
 import org.apache.hadoop.mapreduce.SleepJob;
+import org.apache.hadoop.mapreduce.TimelineServicePerformance;
 import org.apache.hadoop.util.ProgramDriver;
 
-import org.apache.hadoop.hdfs.NNBench;
-import org.apache.hadoop.hdfs.NNBenchWithoutMR;
-import org.apache.hadoop.fs.TestFileSystem;
-import org.apache.hadoop.fs.TestDFSIO;
-import org.apache.hadoop.fs.DFSCIOTest;
-import org.apache.hadoop.fs.DistributedFSCheck;
-import org.apache.hadoop.io.FileBench;
-import org.apache.hadoop.fs.JHLogAnalyzer;
-import org.apache.hadoop.fs.loadGenerator.DataGenerator;
-import org.apache.hadoop.fs.loadGenerator.LoadGenerator;
-import org.apache.hadoop.fs.loadGenerator.LoadGeneratorMR;
-import org.apache.hadoop.fs.loadGenerator.StructureGenerator;
-import org.apache.hadoop.fs.slive.SliveTest;
-
 /**
  * Driver for Map-reduce tests.
  *
@@ -93,9 +91,8 @@ public class MapredTestDriver {
       pgd.addClass("sleep", SleepJob.class,
                    "A job that sleeps at each map and reduce task.");
       pgd.addClass("timelineperformance", TimelineServicePerformance.class,
-                   "A job that launches mappers to test timlineserver performance.");
-      pgd.addClass("timelineperformance", TimelineServicePerformanceV2.class,
-          "A job that launch mappers to test timline service v.2 performance.");
+                   "A job that launches mappers to test timline service " +
+                   "performance.");
       pgd.addClass("nnbench", NNBench.class, 
           "A benchmark that stresses the namenode w/ MR.");
       pgd.addClass("nnbenchWithoutMR", NNBenchWithoutMR.class,