Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Cluster

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    historyService.init(conf);
    historyService.start(conf);

    LOG.info("services started");

    Cluster cluster = new Cluster(conf);
    org.apache.hadoop.mapreduce.JobID jobID =
      new org.apache.hadoop.mapred.JobID("201103121733", 1);
    org.apache.hadoop.mapreduce.Counters counters =
        cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(amContact);

    LOG.info("Sleeping for 5 seconds before stop for" +
    " the client socket to not get EOF immediately..");
    Thread.sleep(5000);

    //bring down the AM service
    amService.stop();

    LOG.info("Sleeping for 5 seconds after stop for" +
        " the server to exit cleanly..");
    Thread.sleep(5000);

    amRestarting = true;

    // Same client
    //results are returned from fake (not started job)
    counters = cluster.getJob(jobID).getCounters();
    Assert.assertEquals(0, counters.countCounters());
    Job job = cluster.getJob(jobID);
    org.apache.hadoop.mapreduce.TaskID taskId =
      new org.apache.hadoop.mapreduce.TaskID(jobID, TaskType.MAP, 0);
    TaskAttemptID tId = new TaskAttemptID(taskId, 0);

    //invoke all methods to check that no exception is thrown
    job.killJob();
    job.killTask(tId);
    job.failTask(tId);
    job.getTaskCompletionEvents(0, 100);
    job.getStatus();
    job.getTaskDiagnostics(tId);
    job.getTaskReports(TaskType.MAP);
    job.getTrackingURL();

    amRestarting = false;
    amService = new AMService();
    amService.init(conf);
    amService.start(conf);
    amContact = false; //reset

    counters = cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(amContact);

    // Stop the AM. It is not even restarting. So it should be treated as
    // completed.
    amService.stop();

    // Same client
    counters = cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(hsContact);

    rmService.stop();
    historyService.stop();
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      displayUsage(cmd);
      return exitCode;
    }

    // initialize cluster
    cluster = new Cluster(getConf());
       
    // Submit the request
    try {
      if (submitJobFile != null) {
        Job job = Job.getInstance(new JobConf(submitJobFile));
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   * @throws Exception - EXception if any
   */
  private Path createMetaFolderPath() throws Exception {
    Configuration configuration = getConf();
    Path stagingDir = JobSubmissionFiles.getStagingDir(
            new Cluster(configuration), configuration);
    Path metaFolderPath = new Path(stagingDir, PREFIX + String.valueOf(rand.nextInt()));
    if (LOG.isDebugEnabled())
      LOG.debug("Meta folder location: " + metaFolderPath);
    configuration.set(DistCpConstants.CONF_LABEL_META_FOLDER, metaFolderPath.toString());   
    return metaFolderPath;
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      Path targetPath = new Path(TARGET_PATH)
              .makeQualified(fs.getUri(), fs.getWorkingDirectory());
      DistCpOptions options = new DistCpOptions(sources, targetPath);

      Path stagingDir = JobSubmissionFiles.getStagingDir(
              new Cluster(configuration), configuration);
      stagingDir.getFileSystem(configuration).mkdirs(stagingDir);

      try {
        new DistCp(configuration, options).execute();
      } catch (Throwable t) {
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    historyService.init(conf);
    historyService.start(conf);

    LOG.info("services started");

    Cluster cluster = new Cluster(conf);
    org.apache.hadoop.mapreduce.JobID jobID =
      new org.apache.hadoop.mapred.JobID("201103121733", 1);
    org.apache.hadoop.mapreduce.Counters counters =
        cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(amContact);

    LOG.info("Sleeping for 5 seconds before stop for" +
    " the client socket to not get EOF immediately..");
    Thread.sleep(5000);

    //bring down the AM service
    amService.stop();

    LOG.info("Sleeping for 5 seconds after stop for" +
        " the server to exit cleanly..");
    Thread.sleep(5000);

    amRestarting = true;

    // Same client
    //results are returned from fake (not started job)
    counters = cluster.getJob(jobID).getCounters();
    Assert.assertEquals(0, counters.countCounters());
    Job job = cluster.getJob(jobID);
    org.apache.hadoop.mapreduce.TaskID taskId =
      new org.apache.hadoop.mapreduce.TaskID(jobID, TaskType.MAP, 0);
    TaskAttemptID tId = new TaskAttemptID(taskId, 0);

    //invoke all methods to check that no exception is thrown
    job.killJob();
    job.killTask(tId);
    job.failTask(tId);
    job.getTaskCompletionEvents(0, 100);
    job.getStatus();
    job.getTaskDiagnostics(tId);
    job.getTaskReports(TaskType.MAP);
    job.getTrackingURL();

    amRestarting = false;
    amService = new AMService();
    amService.init(conf);
    amService.start(conf);
    amContact = false; //reset

    counters = cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(amContact);

    // Stop the AM. It is not even restarting. So it should be treated as
    // completed.
    amService.stop();

    // Same client
    counters = cluster.getJob(jobID).getCounters();
    validateCounters(counters);
    Assert.assertTrue(hsContact);

    rmService.stop();
    historyService.stop();
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   * @throws IOException
   * @throws InterruptedException
   */
  public static Path getStagingDir(Configuration conf)
      throws IOException, InterruptedException {
    return JobSubmissionFiles.getStagingDir(new Cluster(conf), conf);
  }
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  }

  @Test
  public void testMapTaskReportsWithNullJob() throws Exception {
    TestJobClient client = new TestJobClient(new JobConf());
    Cluster mockCluster = mock(Cluster.class);
    client.setCluster(mockCluster);
    JobID id = new JobID("test",0);
   
    when(mockCluster.getJob(id)).thenReturn(null);
   
    TaskReport[] result = client.getMapTaskReports(id);
    assertEquals(0, result.length);
   
    verify(mockCluster).getJob(id);
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  }
 
  @Test
  public void testReduceTaskReportsWithNullJob() throws Exception {
    TestJobClient client = new TestJobClient(new JobConf());
    Cluster mockCluster = mock(Cluster.class);
    client.setCluster(mockCluster);
    JobID id = new JobID("test",0);
   
    when(mockCluster.getJob(id)).thenReturn(null);
   
    TaskReport[] result = client.getReduceTaskReports(id);
    assertEquals(0, result.length);
   
    verify(mockCluster).getJob(id);
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  }
 
  @Test
  public void testSetupTaskReportsWithNullJob() throws Exception {
    TestJobClient client = new TestJobClient(new JobConf());
    Cluster mockCluster = mock(Cluster.class);
    client.setCluster(mockCluster);
    JobID id = new JobID("test",0);
   
    when(mockCluster.getJob(id)).thenReturn(null);
   
    TaskReport[] result = client.getSetupTaskReports(id);
    assertEquals(0, result.length);
   
    verify(mockCluster).getJob(id);
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  }
 
  @Test
  public void testCleanupTaskReportsWithNullJob() throws Exception {
    TestJobClient client = new TestJobClient(new JobConf());
    Cluster mockCluster = mock(Cluster.class);
    client.setCluster(mockCluster);
    JobID id = new JobID("test",0);
   
    when(mockCluster.getJob(id)).thenReturn(null);
   
    TaskReport[] result = client.getCleanupTaskReports(id);
    assertEquals(0, result.length);
   
    verify(mockCluster).getJob(id);
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