Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Cluster

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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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    Job mockJob = mock(Job.class);
    when(mockJob.getTaskReports(isA(TaskType.class))).thenReturn(
      new TaskReport[5]);

    Cluster mockCluster = mock(Cluster.class);
    when(mockCluster.getJob(jobID)).thenReturn(mockJob);

    client.setCluster(mockCluster);
   
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    client.displayJobList(new JobStatus[] {mockJobStatus}, new PrintWriter(out));
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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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      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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    @SuppressWarnings("unchecked")
    @Override
    public long renew(Token<?> token, Configuration conf
                      ) throws IOException, InterruptedException {
      return new Cluster(conf).
        renewDelegationToken((Token<DelegationTokenIdentifier>) token);
    }
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    @SuppressWarnings("unchecked")
    @Override
    public void cancel(Token<?> token, Configuration conf
                       ) throws IOException, InterruptedException {
      new Cluster(conf).
        cancelDelegationToken((Token<DelegationTokenIdentifier>) token);
    }
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   * @param conf the job configuration.
   * @throws IOException
   */
  public void init(JobConf conf) throws IOException {
    setConf(conf);
    cluster = new Cluster(conf);
    clientUgi = UserGroupInformation.getCurrentUser();
  }
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   * @param jobTrackAddr the job tracker to connect to.
   * @param conf configuration.
   */
  public JobClient(InetSocketAddress jobTrackAddr,
                   Configuration conf) throws IOException {
    cluster = new Cluster(jobTrackAddr, conf);
    clientUgi = UserGroupInformation.getCurrentUser();
  }
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