Package org.apache.hadoop.mapreduce

Examples of org.apache.hadoop.mapreduce.Counters

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    HihoTuple hihoTuple = new HihoTuple();
    hihoTuple.setKey(key);
    ArrayList<HihoValue> values = new ArrayList<HihoValue>();

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(null, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeValueReducer mergeReducer = new MergeValueReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(value2, key);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    hihoValue1.setIsOld(true);
    hihoValue2.setIsOld(false);
    ArrayList<HihoValue> values = new ArrayList<HihoValue>();

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, null);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
View Full Code Here
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    ArrayList<HihoValue> values = new ArrayList<HihoValue>();
    values.add(hihoValue1);
    values.add(hihoValue2);

    Reducer.Context context = mock(Reducer.Context.class);
    Counters counters = new Counters();
    Counter counter = counters.findCounter(MergeRecordCounter.OUTPUT);
    when(context.getCounter(MergeRecordCounter.OUTPUT)).thenReturn(counter);
    MergeKeyReducer mergeReducer = new MergeKeyReducer();
    mergeReducer.reduce(hihoTuple, values, context);
    verify(context).write(key, value2);
    assertEquals(1, context.getCounter(MergeRecordCounter.OUTPUT)
View Full Code Here
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    return RepeatStatus.FINISHED;
  }

  @SuppressWarnings("deprecation")
  private void saveCounters(Job job, StepContribution contribution) {
    Counters counters = null;
    try {
      counters = job.getCounters();
    } catch (Exception ex) {
      if (RuntimeException.class.isAssignableFrom(ex.getClass())) {
        throw (RuntimeException)ex;
      } else {
        // ignore - we just can't get stats
      }
    }
    if (counters == null) {
      return;
    }

    // TODO: remove deprecation suppress when we don't want to rely on org.apache.hadoop.mapred
    Counter count = counters.findCounter(Task.Counter.MAP_INPUT_RECORDS);

    for (int i = 0; i < safeLongToInt(count.getValue()); i++) {
      contribution.incrementReadCount();
    }

    count = counters.findCounter(Task.Counter.MAP_SKIPPED_RECORDS);
    contribution.incrementReadSkipCount(safeLongToInt(count.getValue()));

    count = counters.findCounter(Task.Counter.REDUCE_OUTPUT_RECORDS);
    contribution.incrementWriteCount(safeLongToInt(count.getValue()));

    count = counters.findCounter(Task.Counter.REDUCE_SKIPPED_RECORDS);

    for (int i = 0; i < safeLongToInt(count.getValue()); i++) {
      contribution.incrementWriteSkipCount();
    }
  }
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Related Classes of org.apache.hadoop.mapreduce.Counters

  • co.cask.cdap.internal.app.runtime.batch.MapReduceMetricsWriter
  • co.nubetech.hiho.dedup.DedupJob
  • co.nubetech.hiho.dedup.TestDedupKeyMapper
  • co.nubetech.hiho.dedup.TestDedupKeyReducer
  • co.nubetech.hiho.dedup.TestDedupValueMapper
  • co.nubetech.hiho.dedup.TestDedupValueReducer
  • co.nubetech.hiho.merge.MergeJob
  • co.nubetech.hiho.merge.TestMergeKeyMapper
  • co.nubetech.hiho.merge.TestMergeKeyReducer
  • co.nubetech.hiho.merge.TestMergeValueMapper
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