Package org.apache.hadoop.io.SequenceFile

Examples of org.apache.hadoop.io.SequenceFile.Sorter.merge()

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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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    Sorter sorter = new Sorter(fs, LongWritable.class, DoubleWritable.class, conf);
   
    // merge and sort the outputs
    Path[] outfiles = listOutputFiles(fs, outpath);
    Path output = new Path(outpath, "output.sorted");
    sorter.merge(outfiles, output);
   
    // import the evaluations
    LongWritable key = new LongWritable();
    DoubleWritable value = new DoubleWritable();
    Reader reader = new Reader(fs, output, conf);
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    Sorter sorter = new Sorter(fs, LongWritable.class, Text.class, conf);
   
    // merge and sort the outputs
    Path[] outfiles = OutputUtils.listOutputFiles(fs, outpath);
    Path output = new Path(outpath, "output.sorted");
    sorter.merge(outfiles, output);
   
    // import the descriptions
    LongWritable key = new LongWritable();
    Text value = new Text();
    Reader reader = new Reader(fs, output, conf);
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    Sorter sorter = new Sorter(fs, LongWritable.class, CDFitness.class, conf);
   
    // merge and sort the outputs
    Path[] outfiles = OutputUtils.listOutputFiles(fs, outpath);
    Path output = new Path(outpath, "output.sorted");
    sorter.merge(outfiles, output);
   
    // import the evaluations
    LongWritable key = new LongWritable();
    CDFitness value = new CDFitness();
    Reader reader = new Reader(fs, output, conf);
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          }
          segmentStart = finalOut.getPos();
          SequenceFile.Writer writer = SequenceFile.createWriter(job, finalOut,
                                                                 job.getMapOutputKeyClass(), job.getMapOutputValueClass(),
                                                                 compressionType, codec);
          sorter.writeFile(sorter.merge(segmentList, new Path(getTaskId())),
                           writer);
          //add a sync block - required esp. for block compression to ensure
          //partition data don't span partition boundaries
          writer.sync();
          //when we write the offset/length to the final index file, we write
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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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            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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    Sorter sorter = new Sorter(fs, LongWritable.class, DoubleWritable.class, conf);
   
    // merge and sort the outputs
    Path[] outfiles = listOutputFiles(fs, outpath);
    Path output = new Path(outpath, "output.sorted");
    sorter.merge(outfiles, output);
   
    // import the evaluations
    LongWritable key = new LongWritable();
    DoubleWritable value = new DoubleWritable();
    Reader reader = new Reader(fs, output, conf);
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