Package org.apache.hadoop.io.SequenceFile.Sorter

Examples of org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator

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        //invoke the sort
        for (int i = 0; i < partitions; i++) {
          pendingSortImpl[i].setInputBuffer(pendingKeyvalBuffer);
          pendingSortImpl[i].setProgressable(reporter);
          RawKeyValueIterator rIter = pendingSortImpl[i].sort();
         
          startPartition(i);
          if (rIter != null) {
            //invoke the combiner if one is defined
            if (job.getCombinerClass() != null) {
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            s.preserveInput(true);
            s.doSync();
            segmentList.add(i, s);
          }
          segmentStart = finalOut.getPos();
          RawKeyValueIterator kvIter = sorter.merge(segmentList, new Path(getTaskId()));
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(kvIter, writer);
          //close the file - required esp. for block compression to ensure
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                  mapOutputFile.getSpillFile(getTaskId(), numSpills).getName());
         
        //invoke the sort
        for (int i = 0; i < partitions; i++) {
          sortImpl[i].setInputBuffer(keyValBuffer);
          RawKeyValueIterator rIter = sortImpl[i].sort();
         
          startPartition(i);
          if (rIter != null) {
            //invoke the combiner if one is defined
            if (job.getCombinerClass() != null) {
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        //invoke the sort
        for (int i = 0; i < partitions; i++) {
          sortImpl[i].setInputBuffer(keyValBuffer);
          sortImpl[i].setProgressable(reporter);
          RawKeyValueIterator rIter = sortImpl[i].sort();
         
          startPartition(i);
          if (rIter != null) {
            //invoke the combiner if one is defined
            if (job.getCombinerClass() != null) {
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            s.preserveInput(true);
            s.doSync();
            segmentList.add(i, s);
          }
          segmentStart = finalOut.getPos();
          RawKeyValueIterator kvIter = sorter.merge(segmentList, new Path(getTaskId()));
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(kvIter, writer);
          //close the file - required esp. for block compression to ensure
View Full Code Here
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        //invoke the sort
        for (int i = 0; i < partitions; i++) {
          pendingSortImpl[i].setInputBuffer(pendingKeyvalBuffer);
          pendingSortImpl[i].setProgressable(reporter);
          RawKeyValueIterator rIter = pendingSortImpl[i].sort();
         
          startPartition(i);
          if (rIter != null) {
            //invoke the combiner if one is defined
            if (job.getCombinerClass() != null) {
View Full Code Here
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            s.preserveInput(true);
            s.doSync();
            segmentList.add(i, s);
          }
          segmentStart = finalOut.getPos();
          RawKeyValueIterator kvIter = sorter.merge(segmentList, new Path(getTaskId()));
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(kvIter, writer);
          //close the file - required esp. for block compression to ensure
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            s.preserveInput(true);
            s.doSync();
            segmentList.add(i, s);
          }
          segmentStart = finalOut.getPos();
          RawKeyValueIterator kvIter = sorter.merge(segmentList, new Path(getTaskId()));
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(kvIter, writer);
          //close the file - required esp. for block compression to ensure
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            s.preserveInput(true);
            s.doSync();
            segmentList.add(i, s);
          }
          segmentStart = finalOut.getPos();
          RawKeyValueIterator kvIter = sorter.merge(segmentList, new Path(getTaskId()));
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(kvIter, writer);
          //close the file - required esp. for block compression to ensure
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        mapOutputFile.getSpillFile(getTaskId(), numSpills).getName());
         
        //invoke the sort
        for (int i = 0; i < partitions; i++) {
          sortImpl[i].setInputBuffer(keyValBuffer);
          RawKeyValueIterator rIter = sortImpl[i].sort();
         
          startPartition(i);
          if (rIter != null) {
            //invoke the combiner if one is defined
            if (job.getCombinerClass() != null) {
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Related Classes of org.apache.hadoop.io.SequenceFile.Sorter.RawKeyValueIterator

  • org.apache.hadoop.io.TestSequenceFileMergeProgress
  • org.apache.hadoop.mapred.MapTask$MapOutputBuffer
  • org.apache.hadoop.mapred.ReduceTaskRunner
  • org.apache.hadoop.mapred.ReduceTaskRunner$InMemFSMergeThread
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