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

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

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  @Test
  public void testHistoryEvents() throws Exception {
    Configuration conf = new Configuration();
    conf.set(MRJobConfig.USER_NAME, "test");
    MRApp app = new MRAppWithHistory(2, 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);
    /*
     * Use HistoryContext to read logged events and verify the number of
     * completed maps
    */
    HistoryContext context = new JobHistory();
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  @Test
  public void testEventsFlushOnStop() throws Exception {

    Configuration conf = new Configuration();
    conf.set(MRJobConfig.USER_NAME, "test");
    MRApp app = new MRAppWithSpecialHistoryHandler(1, 0, 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);
    /*
     * Use HistoryContext to read logged events and verify the number of
     * completed maps
     */
    HistoryContext context = new JobHistory();
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        parsedJob.getState());
  }

  @Test
  public void testJobHistoryEventHandlerIsFirstServiceToStop() {
    MRApp app = new MRAppWithSpecialHistoryHandler(1, 0, true, this
        .getClass().getName(), true);
    Configuration conf = new Configuration();
    app.init(conf);
    Service[] services = app.getServices().toArray(new Service[0]);
    // Verifying that it is the last to be added is same as verifying that it is
    // the first to be stopped. CompositeService related tests already validate
    // this.
    Assert.assertEquals("JobHistoryEventHandler",
        services[services.length - 1].getName());
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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);
    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 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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    test(true);
  }

  private void test(boolean swallowInterrupts) throws Exception {

    MRApp app = new MRAppWithSlowNM(swallowInterrupts);

    Configuration conf = new Configuration();
    int maxAttempts = 1;
    conf.setInt(MRJobConfig.MAP_MAX_ATTEMPTS, maxAttempts);
    conf.setBoolean(MRJobConfig.JOB_UBERTASK_ENABLE, false);

    // Set low timeout for NM commands
    conf.setInt(ContainerLauncher.MR_AM_NM_COMMAND_TIMEOUT, 3000);

    Job job = app.submit(conf);
    app.waitForState(job, JobState.RUNNING);

    Map<TaskId, Task> tasks = job.getTasks();
    Assert.assertEquals("Num tasks is not correct", 1, tasks.size());

    Task task = tasks.values().iterator().next();
    app.waitForState(task, TaskState.SCHEDULED);

    Map<TaskAttemptId, TaskAttempt> attempts = tasks.values().iterator()
        .next().getAttempts();
    Assert.assertEquals("Num attempts is not correct", maxAttempts, attempts
        .size());

    TaskAttempt attempt = attempts.values().iterator().next();
    app.waitForState(attempt, TaskAttemptState.ASSIGNED);

    app.waitForState(job, JobState.FAILED);

    String diagnostics = attempt.getDiagnostics().toString();
    LOG.info("attempt.getDiagnostics: " + diagnostics);
    if (swallowInterrupts) {
      Assert.assertEquals("[Container launch failed for "
          + "container_0_0000_01_000000 : Start-container for "
          + "container_0_0000_01_000000 got interrupted. Returning.]",
          diagnostics);
    } else {
      Assert.assertTrue(diagnostics.contains("Container launch failed for "
          + "container_0_0000_01_000000 : "));
      Assert.assertTrue(diagnostics
          .contains(": java.lang.InterruptedException"));
    }

    app.stop();
  }
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    }
  }

  @Test
  public void testMRAppHistoryForMap() throws Exception {
    MRApp app = new FailingAttemptsMRApp(1, 0);
    testMRAppHistory(app);
  }
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    testMRAppHistory(app);
  }

  @Test
  public void testMRAppHistoryForReduce() throws Exception {
    MRApp app = new FailingAttemptsMRApp(0, 1);
    testMRAppHistory(app);
  }
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  public void verifySlotMillis(int mapMemMb, int reduceMemMb,
      int minContainerSize) throws Exception {
    Clock actualClock = new SystemClock();
    ControlledClock clock = new ControlledClock(actualClock);
    clock.setTime(10);
    MRApp app =
        new MRApp(1, 1, false, "testSlotMillisCounterUpdate", true, clock);
    Configuration conf = new Configuration();
    conf.setInt(MRJobConfig.MAP_MEMORY_MB, mapMemMb);
    conf.setInt(MRJobConfig.REDUCE_MEMORY_MB, reduceMemMb);
    app.setClusterInfo(new ClusterInfo(BuilderUtils
        .newResource(minContainerSize), BuilderUtils.newResource(10240)));

    Job job = app.submit(conf);
    app.waitForState(job, JobState.RUNNING);
    Map<TaskId, Task> tasks = job.getTasks();
    Assert.assertEquals("Num tasks is not correct", 2, tasks.size());
    Iterator<Task> taskIter = tasks.values().iterator();
    Task mTask = taskIter.next();
    app.waitForState(mTask, TaskState.RUNNING);
    Task rTask = taskIter.next();
    app.waitForState(rTask, TaskState.RUNNING);
    Map<TaskAttemptId, TaskAttempt> mAttempts = mTask.getAttempts();
    Assert.assertEquals("Num attempts is not correct", 1, mAttempts.size());
    Map<TaskAttemptId, TaskAttempt> rAttempts = rTask.getAttempts();
    Assert.assertEquals("Num attempts is not correct", 1, rAttempts.size());
    TaskAttempt mta = mAttempts.values().iterator().next();
    TaskAttempt rta = rAttempts.values().iterator().next();
    app.waitForState(mta, TaskAttemptState.RUNNING);
    app.waitForState(rta, TaskAttemptState.RUNNING);

    clock.setTime(11);
    app.getContext()
        .getEventHandler()
        .handle(new TaskAttemptEvent(mta.getID(), TaskAttemptEventType.TA_DONE));
    app.getContext()
        .getEventHandler()
        .handle(new TaskAttemptEvent(rta.getID(), TaskAttemptEventType.TA_DONE));
    app.waitForState(job, JobState.SUCCEEDED);
    Assert.assertEquals(mta.getFinishTime(), 11);
    Assert.assertEquals(mta.getLaunchTime(), 10);
    Assert.assertEquals(rta.getFinishTime(), 11);
    Assert.assertEquals(rta.getLaunchTime(), 10);
    Assert.assertEquals((int) Math.ceil((float) mapMemMb / minContainerSize),
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    }
  }

  @Test
  public void testMRAppHistoryForMap() throws Exception {
    MRApp app = new FailingAttemptsMRApp(1, 0);
    testMRAppHistory(app);
  }
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