Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Cluster

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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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   * @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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  private static String jobIdStr = "job_1015298225799_0015";

  @Test
  public void testListAttemptIdsWithValidInput() throws Exception {
    JobID jobId = JobID.forName(jobIdStr);
    Cluster mockCluster = mock(Cluster.class);
    Job job = mock(Job.class);
    CLI cli = spy(new CLI());

    doReturn(mockCluster).when(cli).createCluster();
    when(job.getTaskReports(TaskType.MAP)).thenReturn(
        getTaskReports(jobId, TaskType.MAP));
    when(job.getTaskReports(TaskType.REDUCE)).thenReturn(
        getTaskReports(jobId, TaskType.REDUCE));
    when(mockCluster.getJob(jobId)).thenReturn(job);

    int retCode_MAP = cli.run(new String[] { "-list-attempt-ids", jobIdStr,
        "MAP", "running" });
    // testing case insensitive behavior
    int retCode_map = cli.run(new String[] { "-list-attempt-ids", jobIdStr,
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  }

  @Test
  public void testListAttemptIdsWithInvalidInputs() throws Exception {
    JobID jobId = JobID.forName(jobIdStr);
    Cluster mockCluster = mock(Cluster.class);
    Job job = mock(Job.class);
    CLI cli = spy(new CLI());

    doReturn(mockCluster).when(cli).createCluster();
    when(mockCluster.getJob(jobId)).thenReturn(job);

    int retCode_JOB_SETUP = cli.run(new String[] { "-list-attempt-ids",
        jobIdStr, "JOB_SETUP", "running" });
    int retCode_JOB_CLEANUP = cli.run(new String[] { "-list-attempt-ids",
        jobIdStr, "JOB_CLEANUP", "running" });
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    }
    return exitCode;
  }

  Cluster createCluster() throws IOException {
    return new Cluster(getConf());
  }
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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 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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    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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    if (shouldComplete) {
      job.waitForCompletion(false);
    } else {
      job.submit();
      // miniMRCluster.getJobTrackerRunner().getJobTracker().jobsToComplete()[]
      Cluster cluster = new Cluster(miniMRCluster.createJobConf());
      JobStatus[] status = miniMRCluster.getJobTrackerRunner().getJobTracker()
          .jobsToComplete();
      JobID id = status[status.length -1].getJobID();
      Job newJob = cluster.getJob(id);
      cluster.close();
      return newJob;
    }
    return job;
  }
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