Package org.apache.hadoop.mapred.FakeObjectUtilities

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

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    job.finishTask(taskAttemptID[2]);
    clock.advance(1000);
    //Some tasks finish in 2 second (on trackers[1])
    job.finishTask(taskAttemptID[3]);
    job.finishTask(taskAttemptID[4]);
    job.finishTask(taskAttemptID[5]);
    assertEquals("Tracker "+ trackers[0] + " expected to be not slow ",
        job.isSlowTracker(trackers[0]), false);
    clock.advance(100000);
    //After a long time, some tasks finished on trackers[2]
    job.finishTask(taskAttemptID[6]);
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    job.finishTask(taskAttemptID[5]);
    assertEquals("Tracker "+ trackers[0] + " expected to be not slow ",
        job.isSlowTracker(trackers[0]), false);
    clock.advance(100000);
    //After a long time, some tasks finished on trackers[2]
    job.finishTask(taskAttemptID[6]);
    job.finishTask(taskAttemptID[7]);
    job.finishTask(taskAttemptID[8]);
    assertEquals("Tracker "+ trackers[2] + " expected to be slow ",
        job.isSlowTracker(trackers[2]), true);
    // Verify total speculative tasks by jobtracker instrumentation
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    assertEquals("Tracker "+ trackers[0] + " expected to be not slow ",
        job.isSlowTracker(trackers[0]), false);
    clock.advance(100000);
    //After a long time, some tasks finished on trackers[2]
    job.finishTask(taskAttemptID[6]);
    job.finishTask(taskAttemptID[7]);
    job.finishTask(taskAttemptID[8]);
    assertEquals("Tracker "+ trackers[2] + " expected to be slow ",
        job.isSlowTracker(trackers[2]), true);
    // Verify total speculative tasks by jobtracker instrumentation
    assertEquals("Total speculative maps", 1, fakeInst.numSpeculativeMaps);
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        job.isSlowTracker(trackers[0]), false);
    clock.advance(100000);
    //After a long time, some tasks finished on trackers[2]
    job.finishTask(taskAttemptID[6]);
    job.finishTask(taskAttemptID[7]);
    job.finishTask(taskAttemptID[8]);
    assertEquals("Tracker "+ trackers[2] + " expected to be slow ",
        job.isSlowTracker(trackers[2]), true);
    // Verify total speculative tasks by jobtracker instrumentation
    assertEquals("Total speculative maps", 1, fakeInst.numSpeculativeMaps);
    assertEquals("Total speculative reduces", 1,
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    taskAttemptID[1] = job.findReduceTask(trackers[1]);
    taskAttemptID[2] = job.findReduceTask(trackers[2]);
    taskAttemptID[3] = job.findReduceTask(trackers[3]);
    taskAttemptID[4] = job.findReduceTask(trackers[3]);
    clock.advance(5000);
    job.finishTask(taskAttemptID[0]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[1]);
    clock.advance(20000);
    clock.advanceBySpeculativeLag();
    //we should get a speculative task now
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    taskAttemptID[3] = job.findReduceTask(trackers[3]);
    taskAttemptID[4] = job.findReduceTask(trackers[3]);
    clock.advance(5000);
    job.finishTask(taskAttemptID[0]);
    clock.advance(1000);
    job.finishTask(taskAttemptID[1]);
    clock.advance(20000);
    clock.advanceBySpeculativeLag();
    //we should get a speculative task now
    taskAttemptID[5] = job.findReduceTask(trackers[4]);
    assertEquals(taskAttemptID[5].getTaskID().getId(),2);
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    clock.advanceBySpeculativeLag();
    //we should get a speculative task now
    taskAttemptID[5] = job.findReduceTask(trackers[4]);
    assertEquals(taskAttemptID[5].getTaskID().getId(),2);
    clock.advance(5000);
    job.finishTask(taskAttemptID[5]);
   
    taskAttemptID[5] = job.findReduceTask(trackers[4]);
    assertEquals(taskAttemptID[5].getTaskID().getId(),3);
   
    // Verify total speculative tasks by jobtracker instrumentation
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    taskAttemptID[0] = job.findMapTask(trackers[0]);
    taskAttemptID[1] = job.findMapTask(trackers[1]);
    taskAttemptID[2] = job.findMapTask(trackers[2]);
    taskAttemptID[3] = job.findMapTask(trackers[3]);
    clock.advance(2000);
    job.finishTask(taskAttemptID[0]);
    job.finishTask(taskAttemptID[1]);
    job.finishTask(taskAttemptID[2]);
    clock.advance(250000);
    taskAttemptID[4] = job.findMapTask(trackers[3]);
    clock.advanceBySpeculativeLag();
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    taskAttemptID[1] = job.findMapTask(trackers[1]);
    taskAttemptID[2] = job.findMapTask(trackers[2]);
    taskAttemptID[3] = job.findMapTask(trackers[3]);
    clock.advance(2000);
    job.finishTask(taskAttemptID[0]);
    job.finishTask(taskAttemptID[1]);
    job.finishTask(taskAttemptID[2]);
    clock.advance(250000);
    taskAttemptID[4] = job.findMapTask(trackers[3]);
    clock.advanceBySpeculativeLag();
    //by doing the above clock adjustments, we bring the progress rate of
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    taskAttemptID[2] = job.findMapTask(trackers[2]);
    taskAttemptID[3] = job.findMapTask(trackers[3]);
    clock.advance(2000);
    job.finishTask(taskAttemptID[0]);
    job.finishTask(taskAttemptID[1]);
    job.finishTask(taskAttemptID[2]);
    clock.advance(250000);
    taskAttemptID[4] = job.findMapTask(trackers[3]);
    clock.advanceBySpeculativeLag();
    //by doing the above clock adjustments, we bring the progress rate of
    //taskID 3 lower than 4. For taskID 3, the rate is 85/317000
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