Package org.apache.hadoop.mapred.FakeObjectUtilities

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

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    //schedule maps
    taskAttemptID[0] = job.findReduceTask(trackers[0]);
    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);
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    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);
    clock.advance(5000);
    job.finishTask(taskAttemptID[5]);
   
    taskAttemptID[5] = job.findReduceTask(trackers[4]);
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    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
    assertEquals("Total speculative maps", 1, fakeInst.numSpeculativeMaps);
    assertEquals("Total speculative reduces", 3,
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    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]);

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

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

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

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

    int oldRunningReduces = job.runningReduces();
    job.failTask(taskAttemptID[6]);
    LOG.info(
      " No of running Reduces before fail " + oldRunningReduces);
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    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]);

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

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

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