Package org.apache.hadoop.mapreduce.v2.app

Examples of org.apache.hadoop.mapreduce.v2.app.MRApp

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      Configuration conf = new Configuration();
      conf.setClass(
          CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
          MyResolver.class, DNSToSwitchMapping.class);
      RackResolver.init(conf);
      MRApp app = new MRAppWithHistoryWithFailedAttempt(2, 1, true, this
          .getClass().getName(), true);
      app.submit(conf);
      Job job = app.getContext().getAllJobs().values().iterator().next();
      JobId jobId = job.getID();
      app.waitForState(job, JobState.SUCCEEDED);

      // make sure all events are flushed
      app.waitForState(Service.STATE.STOPPED);

      String jobhistoryDir = JobHistoryUtils
          .getHistoryIntermediateDoneDirForUser(conf);
      JobHistory jobHistory = new JobHistory();
      jobHistory.init(conf);
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      Configuration conf = new Configuration();
      conf.setClass(
          CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
          MyResolver.class, DNSToSwitchMapping.class);
      RackResolver.init(conf);
      MRApp app = new MRAppWithHistoryWithFailedTask(2, 1, true, this
          .getClass().getName(), true);
      app.submit(conf);
      Job job = app.getContext().getAllJobs().values().iterator().next();
      JobId jobId = job.getID();
      app.waitForState(job, JobState.FAILED);

      // make sure all events are flushed
      app.waitForState(Service.STATE.STOPPED);

      String jobhistoryDir = JobHistoryUtils
          .getHistoryIntermediateDoneDirForUser(conf);
      JobHistory jobHistory = new JobHistory();
      jobHistory.init(conf);
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      Configuration conf = new Configuration();
      conf.setClass(
          CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
          MyResolver.class, DNSToSwitchMapping.class);
      RackResolver.init(conf);
      MRApp app = new MRAppWithHistory(1, 1, true, this.getClass().getName(),
          true);
      app.submit(conf);
      Job job = app.getContext().getAllJobs().values().iterator().next();
      JobId jobId = job.getID();
      LOG.info("JOBID is " + TypeConverter.fromYarn(jobId).toString());
      app.waitForState(job, JobState.SUCCEEDED);

      // make sure all events are flushed
      app.waitForState(Service.STATE.STOPPED);

      HistoryFileManagerForTest hfm = new HistoryFileManagerForTest();
      hfm.init(conf);
      HistoryFileInfo fileInfo = hfm.getFileInfo(jobId);
      Assert.assertNotNull("Unable to locate job history", fileInfo);
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      conf.setClass(
          CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
          MyResolver.class, DNSToSwitchMapping.class);

      RackResolver.init(conf);
      MRApp app = new MRAppWithHistory(1, 1, true, this.getClass().getName(),
          true);
      app.submit(conf);
      Job job = app.getContext().getAllJobs().values().iterator().next();
      JobId jobId = job.getID();

      app.waitForState(job, JobState.SUCCEEDED);

      // make sure all events are flushed
      app.waitForState(Service.STATE.STOPPED);
      HistoryFileManager hfm = new HistoryFileManager();
      hfm.init(conf);
      HistoryFileInfo fileInfo = hfm.getFileInfo(jobId);
      hfm.initExisting();
      // wait for move files form the done_intermediate directory to the gone
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          .setClass(
              CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
              MyResolver.class, DNSToSwitchMapping.class);

      RackResolver.init(configuration);
      MRApp app = new MRAppWithHistory(1, 1, true, this.getClass().getName(),
          true);
      app.submit(configuration);
      Job job = app.getContext().getAllJobs().values().iterator().next();
      app.waitForState(job, JobState.SUCCEEDED);

      JobHistory jobHistory = new JobHistory();
      jobHistory.init(configuration);
      // Method getAllJobs
      Assert.assertEquals(1, jobHistory.getAllJobs().size());
      // and with ApplicationId
      Assert.assertEquals(1, jobHistory.getAllJobs(app.getAppID()).size());

      JobsInfo jobsinfo = jobHistory.getPartialJobs(0L, 10L, null, "default",
          0L, System.currentTimeMillis() + 1, 0L,
          System.currentTimeMillis() + 1, JobState.SUCCEEDED);
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    Clock actualClock = new SystemClock();
    ControlledClock clock = new ControlledClock(actualClock);
    clock.setTime(System.currentTimeMillis());

    MRApp app =
        new MRApp(NUM_MAPPERS, NUM_REDUCERS, false, "test", true, clock);
    Job job = app.submit(new Configuration(), true, true);
    app.waitForState(job, JobState.RUNNING);

    Map<TaskId, Task> tasks = job.getTasks();
    Assert.assertEquals("Num tasks is not correct", NUM_MAPPERS + NUM_REDUCERS,
      tasks.size());
    Iterator<Task> taskIter = tasks.values().iterator();
    while (taskIter.hasNext()) {
      app.waitForState(taskIter.next(), TaskState.RUNNING);
    }

    // Process the update events
    clock.setTime(System.currentTimeMillis() + 2000);
    EventHandler appEventHandler = app.getContext().getEventHandler();
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        TaskAttemptStatus status =
            createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.8,
              TaskAttemptState.RUNNING);
        TaskAttemptStatusUpdateEvent event =
            new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
        appEventHandler.handle(event);
      }
    }

    Random generator = new Random();
    Object[] taskValues = tasks.values().toArray();
    Task taskToBeSpeculated =
        (Task) taskValues[generator.nextInt(taskValues.length)];

    // Other than one random task, finish every other task.
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        if (mapTask.getKey() != taskToBeSpeculated.getID()) {
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_DONE));
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_CONTAINER_CLEANED));
          app.waitForState(taskAttempt.getValue(), TaskAttemptState.SUCCEEDED);
        }
      }
    }

    int maxTimeWait = 10;
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    Clock actualClock = new SystemClock();
    ControlledClock clock = new ControlledClock(actualClock);
    clock.setTime(System.currentTimeMillis());

    MRApp app =
        new MRApp(NUM_MAPPERS, NUM_REDUCERS, false, "test", true, clock);
    Job job = app.submit(new Configuration(), true, true);
    app.waitForState(job, JobState.RUNNING);

    Map<TaskId, Task> tasks = job.getTasks();
    Assert.assertEquals("Num tasks is not correct", NUM_MAPPERS + NUM_REDUCERS,
      tasks.size());
    Iterator<Task> taskIter = tasks.values().iterator();
    while (taskIter.hasNext()) {
      app.waitForState(taskIter.next(), TaskState.RUNNING);
    }

    // Process the update events
    clock.setTime(System.currentTimeMillis() + 1000);
    EventHandler appEventHandler = app.getContext().getEventHandler();
    for (Map.Entry<TaskId, Task> mapTask : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : mapTask
        .getValue().getAttempts().entrySet()) {
        TaskAttemptStatus status =
            createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.5,
              TaskAttemptState.RUNNING);
        TaskAttemptStatusUpdateEvent event =
            new TaskAttemptStatusUpdateEvent(taskAttempt.getKey(), status);
        appEventHandler.handle(event);
      }
    }

    Task speculatedTask = null;
    int numTasksToFinish = NUM_MAPPERS + NUM_REDUCERS - 1;
    clock.setTime(System.currentTimeMillis() + 1000);
    for (Map.Entry<TaskId, Task> task : tasks.entrySet()) {
      for (Map.Entry<TaskAttemptId, TaskAttempt> taskAttempt : task.getValue()
        .getAttempts().entrySet()) {
        if (numTasksToFinish > 0) {
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_DONE));
          appEventHandler.handle(new TaskAttemptEvent(taskAttempt.getKey(),
            TaskAttemptEventType.TA_CONTAINER_CLEANED));
          numTasksToFinish--;
          app.waitForState(taskAttempt.getValue(), TaskAttemptState.SUCCEEDED);
        } else {
          // The last task is chosen for speculation
          TaskAttemptStatus status =
              createTaskAttemptStatus(taskAttempt.getKey(), (float) 0.75,
                TaskAttemptState.RUNNING);
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    long amStartTimeEst = System.currentTimeMillis();
    conf.setClass(
        CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
        MyResolver.class, DNSToSwitchMapping.class);
    RackResolver.init(conf);
    MRApp app =
        new MRAppWithHistory(numMaps, numReduces, true,
            this.getClass().getName(), true);
    app.submit(conf);
    Job job = app.getContext().getAllJobs().values().iterator().next();
    JobId jobId = job.getID();
    LOG.info("JOBID is " + TypeConverter.fromYarn(jobId).toString());
    app.waitForState(job, JobState.SUCCEEDED);

    // make sure all events are flushed
    app.waitForState(Service.STATE.STOPPED);

    String jobhistoryDir = JobHistoryUtils
        .getHistoryIntermediateDoneDirForUser(conf);
   
    FileContext fc = null;
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    conf
        .setClass(
            CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
            MyResolver.class, DNSToSwitchMapping.class);
    RackResolver.init(conf);
    MRApp app = new MRAppWithHistoryWithFailedAttempt(2, 1, true, this.getClass().getName(),
        true);
    app.submit(conf);
    Job job = app.getContext().getAllJobs().values().iterator().next();
    JobId jobId = job.getID();
    app.waitForState(job, JobState.SUCCEEDED);
   
    // make sure all events are flushed
    app.waitForState(Service.STATE.STOPPED);

    String jobhistoryDir = JobHistoryUtils
        .getHistoryIntermediateDoneDirForUser(conf);
    JobHistory jobHistory = new JobHistory();
    jobHistory.init(conf);
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    conf
        .setClass(
            CommonConfigurationKeysPublic.NET_TOPOLOGY_NODE_SWITCH_MAPPING_IMPL_KEY,
            MyResolver.class, DNSToSwitchMapping.class);
    RackResolver.init(conf);
    MRApp app = new MRAppWithHistoryWithFailedTask(2, 1, true,
        this.getClass().getName(), true);
    app.submit(conf);
    Job job = app.getContext().getAllJobs().values().iterator().next();
    JobId jobId = job.getID();
    app.waitForState(job, JobState.FAILED);

    // make sure all events are flushed
    app.waitForState(Service.STATE.STOPPED);

    String jobhistoryDir = JobHistoryUtils
        .getHistoryIntermediateDoneDirForUser(conf);
    JobHistory jobHistory = new JobHistory();
    jobHistory.init(conf);
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Related Classes of org.apache.hadoop.mapreduce.v2.app.MRApp

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  • org.apache.hadoop.io.Text
  • org.apache.hadoop.mapred.JobConf
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