Package org.apache.hadoop.mapred.FakeObjectUtilities

Examples of org.apache.hadoop.mapred.FakeObjectUtilities.FakeJobInProgress.finishTask()

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    for (i = 0; i < totalTasks; i++) {
      taskAttemptID[i] = job.findMapTask(trackers[0]);
    }
    clock.advance(5000);
    for (i = 0; i < numEarlyComplete; i++) {
      job.finishTask(taskAttemptID[i]);
    }

    clock.advanceBySpeculativeLag();

    for (i = numEarlyComplete; i < totalTasks; i++) {
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    taskAttemptID[0] = job.findMapTask(trackers[0]);
    taskAttemptID[1] = job.findMapTask(trackers[1]);
    taskAttemptID[2] = job.findMapTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[0]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[1]);
    clock.advanceBySpeculativeLag();

    //we should get a speculative task now
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    taskAttemptID[2] = job.findMapTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[0]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[1]);
    clock.advanceBySpeculativeLag();

    //we should get a speculative task now
    taskAttemptID[3] = job.findMapTask(trackers[3]);
    int oldRunningMap = job.runningMaps();
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      "Running maps count should be updated from " + oldRunningMap + " to " +
        (oldRunningMap - 1), job.runningMaps(), oldRunningMap - 1);
    LOG.info(" Job running maps after fail " + job.runningMaps());

    clock.advance(5000);
    job.finishTask(taskAttemptID[3]);

    //check for runningReduce count.
    taskAttemptID[4] = job.findReduceTask(trackers[0]);
    taskAttemptID[5] = job.findReduceTask(trackers[1]);
    taskAttemptID[6] = job.findReduceTask(trackers[2]);
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    taskAttemptID[4] = job.findReduceTask(trackers[0]);
    taskAttemptID[5] = job.findReduceTask(trackers[1]);
    taskAttemptID[6] = job.findReduceTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[4]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[5]);

    clock.advanceBySpeculativeLag();
    taskAttemptID[7] = job.findReduceTask(trackers[4]);
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    taskAttemptID[6] = job.findReduceTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[4]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[5]);

    clock.advanceBySpeculativeLag();
    taskAttemptID[7] = job.findReduceTask(trackers[4]);

    int oldRunningReduces = job.runningReduces();
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      "Running maps count should be updated from " + oldRunningMap + " to " +
        (oldRunningMap - 1), job.runningMaps(), oldRunningMap - 1);
    LOG.info(" Job running maps after fail " + job.runningMaps());

    clock.advance(5000);
    job.finishTask(taskAttemptID[3]);

    //check for runningReduce count.
    taskAttemptID[4] = job.findReduceTask(trackers[0]);
    taskAttemptID[5] = job.findReduceTask(trackers[1]);
    taskAttemptID[6] = job.findReduceTask(trackers[2]);
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    taskAttemptID[4] = job.findReduceTask(trackers[0]);
    taskAttemptID[5] = job.findReduceTask(trackers[1]);
    taskAttemptID[6] = job.findReduceTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[4]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[5]);

    job.refresh(clock.getTime());
    clock.advanceBySpeculativeLag();
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    taskAttemptID[6] = job.findReduceTask(trackers[2]);

    clock.advance(5000);
    job.finishTask(taskAttemptID[4]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[5]);

    job.refresh(clock.getTime());
    clock.advanceBySpeculativeLag();
    taskAttemptID[7] = job.findReduceTask(trackers[4]);
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    assertEquals(
      "Running reduces count should be updated from " + oldRunningReduces +
        " to " + (oldRunningReduces - 1), job.runningReduces(),
      oldRunningReduces - 1);

    job.finishTask(taskAttemptID[7]);
  }

  public void testIsSlowTracker() throws IOException {
    TaskAttemptID[] taskAttemptID = new TaskAttemptID[20];
    JobConf conf = new JobConf();
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