Package org.apache.hadoop.util

Examples of org.apache.hadoop.util.MergeSort

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    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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class MergeSorter extends BasicTypeSorterBase
implements Comparator<IntWritable> {
 
  /** The sort method derived from BasicTypeSorterBase and overridden here*/
  public RawKeyValueIterator sort() {
    MergeSort m = new MergeSort(this);
    int count = super.count;
    if (count == 0) return null;
    int [] pointers = (int[])super.pointers;
    int [] pointersCopy = new int[count];
    System.arraycopy(pointers, 0, pointersCopy, 0, count);
    m.mergeSort(pointers, pointersCopy, 0, count);
    return new MRSortResultIterator(super.keyValBuffer, pointersCopy,
                                    super.startOffsets, super.keyLengths, super.valueLengths);
  }
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    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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    }
   
    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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class MergeSorter extends BasicTypeSorterBase
implements Comparator<IntWritable> {
 
  /** The sort method derived from BasicTypeSorterBase and overridden here*/
  public RawKeyValueIterator sort() {
    MergeSort m = new MergeSort(this);
    int count = super.count;
    if (count == 0) return null;
    int [] pointers = (int[])super.pointers;
    int [] pointersCopy = new int[count];
    System.arraycopy(pointers, 0, pointersCopy, 0, count);
    m.mergeSort(pointers, pointersCopy, 0, count);
    return new MRSortResultIterator(super.keyValBuffer, pointersCopy,
           super.startOffsets, super.keyLengths, super.valueLengths);
  }
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    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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      if(LOG.isDebugEnabled()) {
        LOG.debug("running sort pass");
      }
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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    }
   
    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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    private int sortPass(boolean deleteInput) throws IOException {
      LOG.debug("running sort pass");
      SortPass sortPass = new SortPass();         // make the SortPass
      sortPass.setProgressable(progressable);
      mergeSort = new MergeSort(sortPass.new SeqFileComparator());
      try {
        return sortPass.run(deleteInput);         // run it
      } finally {
        sortPass.close();                         // close it
      }
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Related Classes of org.apache.hadoop.util.MergeSort

  • org.apache.accumulo.core.file.map.MySequenceFile$Sorter
  • org.apache.hadoop.hbase.io.SequenceFile$Sorter
  • org.apache.hadoop.io.SequenceFile$Sorter
  • org.apache.hadoop.mapred.MergeSorter
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