Package org.apache.hadoop.mapred.Task

Examples of org.apache.hadoop.mapred.Task.CombineValuesIterator

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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getCombinerKeyGroupingComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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    Class<K> keyClass = (Class<K>) job.getMapOutputKeyClass();
    Class<V> valClass = (Class<V>) job.getMapOutputValueClass();
    RawComparator<K> comparator =
      (RawComparator<K>)job.getOutputKeyComparator();
    try {
      CombineValuesIterator values = new CombineValuesIterator(
          kvIter, comparator, keyClass, valClass, job, Reporter.NULL,
          inCounter);
      while (values.more()) {
        combiner.reduce(values.getKey(), values, combineCollector,
                        Reporter.NULL);
        values.nextKey();
      }
    } finally {
      combiner.close();
    }
  }
View Full Code Here
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Related Classes of org.apache.hadoop.mapred.Task.CombineValuesIterator

  • org.apache.hadoop.mapreduce.task.reduce.MergeManager
  • org.apache.hadoop.mapreduce.task.reduce.MergeManagerImpl
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