Example usage for org.apache.hadoop.mapred JobConf setJobName

List of usage examples for org.apache.hadoop.mapred JobConf setJobName

  1. HOME
  2. Java
  3. org.apache.hadoop
  4. org.apache.hadoop.mapred.*
  5. JobConf
  6. setJobName

Introduction

In this page you can find the example usage for org.apache.hadoop.mapred JobConf setJobName.

Prototype

public void setJobName(String name)

Source Link

Document

Set the user-specified job name.

Usage

From source file:edu.ucsb.cs.lsh.projection.ProjectionsGenerator.java

License:Apache License

public static void main(JobConf job) throws IOException {
    int nBits/*D*/, nFeatures/*K*/, nReducers;
    job.setJobName(ProjectionsGenerator.class.getSimpleName());
    FileSystem fs = FileSystem.get(job);

    nBits = job.getInt(ProjectionLshDriver.LSH_NBITS_PROPERTY, ProjectionLshDriver.LSH_NBITS_VALUE);
    nFeatures = readCollectionFeatureCount(fs, job);
    setParameters(nBits, nFeatures);/*from   w w  w  .ja  v  a2s  .  co m*/
    nReducers = job.getInt(ProjectionLshDriver.LSH_NREDUCER_PROPERTY, ProjectionLshDriver.LSH_NREDUCER_VALUE);
    Path inputPath = new Path(INPUT_DIR);
    Path outputPath = new Path(OUTPUT_DIR);
    if (fs.exists(outputPath))
        fs.delete(outputPath, true);
    if (fs.exists(inputPath))
        fs.delete(inputPath, true);

    SequenceFile.Writer writer = SequenceFile.createWriter(fs, job, new Path(inputPath.toString() + "/file"),
            IntWritable.class, IntWritable.class);
    for (int i = 0; i < nReducers; i++)
        writer.append(new IntWritable(i), new IntWritable(i));
    writer.close();

    job.setInputFormat(SequenceFileInputFormat.class);
    job.setOutputFormat(SequenceFileOutputFormat.class);
    SequenceFileInputFormat.setInputPaths(job, inputPath);
    FileOutputFormat.setOutputPath(job, outputPath);
    FileOutputFormat.setCompressOutput(job, false);

    job.set("mapred.child.java.opts", "-Xmx2048m");
    job.setInt("mapred.map.max.attempts", 10);
    job.setInt("mapred.reduce.max.attempts", 10);

    job.setNumMapTasks(1);
    job.setNumReduceTasks(nReducers);

    job.setMapperClass(IdentityMapper.class);
    job.setMapOutputKeyClass(IntWritable.class);
    job.setMapOutputValueClass(IntWritable.class);

    job.setReducerClass(ProjectionReducer.class);
    job.setOutputKeyClass(IntWritable.class);
    job.setOutputValueClass(RandomVector.class);

    JobSubmitter.run(job, "LSH", job.getFloat(Config.THRESHOLD_PROPERTY, Config.THRESHOLD_VALUE));
}

From source file:edu.ucsb.cs.lsh.projection.SignaturesGenerator.java

License:Apache License

public static void main(String[] args) throws Exception {
    JobConf job = new JobConf(SignaturesGenerator.class);
    new GenericOptionsParser(job, args);
    job.setJobName(SignaturesGenerator.class.getSimpleName());
    int nBits = job.getInt(ProjectionLshDriver.LSH_NBITS_PROPERTY, ProjectionLshDriver.LSH_NBITS_VALUE);
    setParameters();//w  w  w .j av a 2s  . c om
    FileSystem fs = FileSystem.get(job);
    prepareDistributedCache(job, fs, new Path(ProjectionsGenerator.OUTPUT_DIR));
    Path outputPath = new Path(OUTPUT_DIR);
    if (fs.exists(outputPath))
        fs.delete(outputPath);

    FileInputFormat.setInputPaths(job, INPUT_DIR);
    // Path(INPUT_DIR));
    FileOutputFormat.setOutputPath(job, outputPath);
    // FileOutputFormat.setCompressOutput(job, false);
    job.setInputFormat(SequenceFileInputFormat.class);
    job.setOutputFormat(SequenceFileOutputFormat.class);

    job.set("mapred.child.java.opts", "-Xmx2048m");
    job.setInt("mapred.map.max.attempts", 10);
    job.setInt("mapred.reduce.max.attempts", 10);
    job.setInt("mapred.task.timeout", 6000000);

    job.setMapperClass(SigMapper.class);
    job.setMapOutputKeyClass(LongWritable.class);
    job.setMapOutputValueClass(BitSignature.class);
    job.setNumReduceTasks(0);
    job.setOutputKeyClass(LongWritable.class);
    job.setOutputValueClass(BitSignature.class);

    JobSubmitter.run(job, "LSH", -1);
}

From source file:edu.ucsb.cs.partitioning.cosine.CosineAllPartitionMain.java

License:Apache License

/**
 * Job3: Core Cosine partitioning with skipping based on partition maximum
 * vectors length, size and weight./* w w  w.  j a v  a  2s .co  m*/
 */
public static JobConf runCosinePartition(JobConf job, String[] args) throws IOException {
    new GenericOptionsParser(job, args);
    job.setJobName(Partitioner.class.getSimpleName() + " + " + CosineAllPartitionMain.class.getSimpleName());
    job.setJarByClass(CosineAllPartitionMain.class);
    job = setMapReduce(job, CosineAllPartMapper.class, IdentityReducer.class);
    job = setInputOutput(job, new Path(Partitioner.OUTPUT_DIR), interPath);
    JobSubmitter.run(job, "Cosine Partitioning",
            job.getFloat(Config.THRESHOLD_PROPERTY, Config.THRESHOLD_VALUE));
    FileSystem.get(job).delete(new Path(Partitioner.OUTPUT_DIR), true);
    return job;
}

From source file:edu.ucsb.cs.partitioning.cosine.CosinePartitioning.java

License:Apache License

/**
 * Job3: Core Cosine partitioning on sorted weights vectors.
 *///from  w  w  w.  j a  v  a2  s  . co m
public static void runCosinePartition(JobConf job, String[] args, Class jobSpawner, Class mapper)
        throws IOException {
    new GenericOptionsParser(job, args);
    job.setJobName(Partitioner.class.getSimpleName() + " + " + jobSpawner.getSimpleName());
    job = setMapReduce(job, mapper, IdentityReducer.class);
    job = setInputOutput(job, new Path(Partitioner.OUTPUT_DIR), interPath);
    JobSubmitter.run(job, "Cosine Partitioning",
            job.getFloat(Config.THRESHOLD_PROPERTY, Config.THRESHOLD_VALUE));
    // FileSystem.get(job).delete(new Path(Partitioner.OUTPUT_DIR), true);
}

From source file:edu.ucsb.cs.partitioning.jaccard.JaccardCoarsePartitionMain.java

License:Apache License

public static void main(String[] args) throws IOException {

    runSort(args, "lengthsort");
    JobConf job = new JobConf();
    new GenericOptionsParser(job, args);
    job.setJobName(JaccardCoarsePartitionMain.class.getSimpleName());
    job.setJarByClass(JaccardCoarsePartitionMain.class);
    ///*from   ww w.  j  a  v a2s  .c o m*/
    // set input & output & threshold & numPartitions
    //
    String inputDir = PartDriver.INPUT_DIR; //String inputDir = SortDriver.OUTPUT_DIR;
    FileSystem.get(job).delete(new Path(PartDriver.OUTPUT_DIR), true);
    float threshold = job.getFloat(Config.THRESHOLD_PROPERTY, Config.THRESHOLD_VALUE);
    int nPartitions = job.getInt(Config.NUM_PARTITIONS_PROPERTY, Config.NUM_PARTITIONS_VALUE);
    //
    // run regular java program
    //
    System.out.println(JobSubmitter.stars() + "\n  Running Sequential Job:  jaccard coarse 1D partitioning "
            + "\n  Threshold:  " + threshold);

    FileSystem hdfs = produceStaticParitions(inputDir, PartDriver.OUTPUT_DIR, nPartitions);
    produceSkipList(true, threshold, nPartitions, hdfs, job);
    Collector.printJaccardStatistics(job, PartDriver.OUTPUT_DIR);
}

From source file:edu.ucsb.cs.partitioning.lsh.LshPartitionMain.java

License:Apache License

public static void main(String args[]) throws ParseException, IOException {

    JobConf job = new JobConf();
    job.setJarByClass(LshPartitionMain.class);
    job.setJobName(LshPartitionMain.class.getSimpleName());
    GenericOptionsParser gop = new GenericOptionsParser(job, args);
    args = gop.getRemainingArgs();/*from  w w w. j av a 2s  .  c  o m*/

    job.setMapperClass(LshMapper.class);
    job.setMapOutputKeyClass(IntArrayWritable.class); // signatures
    job.setMapOutputValueClass(LongWritable.class); // doc IDs
    job.setNumReduceTasks(job.getInt(NUM_REDUCERS_PROPERTY, NUM_REDUCERS_VALUE));
    job.setReducerClass(LshReducer.class);
    job.setOutputKeyClass(IntWritable.class);
    job.setOutputValueClass(Text.class);

    String inputDir = args[0];
    if (inputDir == null) {
        throw new UnsupportedOperationException("ERROR: input directory not set.");
    }
    FileInputFormat.addInputPath(job, new Path(inputDir));
    Path outputPath = new Path("lsh-jaccard-buckets");
    FileOutputFormat.setOutputPath(job, outputPath);
    FileSystem.get(job).delete(outputPath, true);

    LshTable lshTable = new LshTable(job.getInt(K_PROPERTY, K_VALUE), job.getInt(L_PROPERTY, L_VALUE), 1024,
            job.getLong(NUM_FEATURES_PROPERTY, NUM_FEATURES_VALUE),
            job.getFloat(THRESHOLD_PROPERTY, THRESHOLD_VALUE));

    writeLsh(job, outputPath.getFileSystem(job), lshTable);

    run(job);

}

From source file:edu.ucsb.cs.preprocessing.sequence.SeqWriter.java

License:Apache License

/**
 * Runs a MR job with maps only to convert input directory of numeric valued
 * records to hadoop sequence format. It assumes a text input of format of
 * [id feature weight ..] to be the format of input.
 *//*  w  ww .j  a va2s. c  o  m*/
public static void writeSequence() throws IOException {

    JobConf job = new JobConf();
    job.setJobName("Convert text vectors to hadoop seqeunce ");
    job.setJarByClass(SeqWriter.class);

    job.setMapperClass(SeqMapper.class);
    job.setNumReduceTasks(0);
    job.setMapOutputKeyClass(LongWritable.class);
    job.setMapOutputValueClass(FeatureWeightArrayWritable.class);
    job.setOutputKeyClass(LongWritable.class);
    job.setOutputValueClass(FeatureWeightArrayWritable.class);

    job.setInputFormat(TextInputFormat.class);
    TextInputFormat.addInputPath(job, new Path(INPUT_DIR));
    FileSystem.get(job).delete(new Path(HashPagesDriver.IDS_FILE2), true);
    Path outputPath = new Path(OUTPUT_DIR);
    FileSystem.get(job).delete(outputPath, true);
    job.setOutputFormat(SequenceFileOutputFormat.class);
    SequenceFileOutputFormat.setOutputPath(job, outputPath);

    JobSubmitter.run(job, "PREPROCESS", -1);
}

From source file:edu.ucsb.cs.sort.length.LengthSortMain.java

License:Apache License

/**
 * Sets the job configurations including the mapper and reducer classes to
 * do the sorting based on vector lengths.
 *//*from  www. java2 s.  c  o  m*/
public static void main(String[] args) throws IOException {

    JobConf job = new JobConf();
    new GenericOptionsParser(job, args);
    job.setJobName(LengthSortMain.class.getSimpleName());
    job.setJarByClass(LengthSortMain.class);
    job.setMapperClass(LengthSortMapper.class);
    job.setMapOutputKeyClass(FloatWritable.class);
    job.setMapOutputValueClass(IdFeatureWeightArrayWritable.class);

    job.setPartitionerClass(LengthRangePartitioner.class);

    job.setReducerClass(LengthSortReducer.class);
    job.setNumReduceTasks(job.getInt(SortDriver.NUM_REDUCE_PROPERTY, SortDriver.NUM_REDUCE_VALUE));
    job.setOutputKeyClass(LongWritable.class);
    job.setOutputValueClass(FeatureWeightArrayWritable.class);
    //
    // set input & output
    //
    String inputDir = SortDriver.INPUT_DIR;
    if (inputDir == null) {
        throw new UnsupportedOperationException("ERROR: input path not set");
    }
    job.setInputFormat(SequenceFileInputFormat.class);
    SequenceFileInputFormat.addInputPath(job, new Path(inputDir));
    Path outputPath = new Path(SortDriver.OUTPUT_DIR);
    FileSystem.get(job).delete(outputPath, true);
    job.setOutputFormat(SequenceFileOutputFormat.class);
    FileOutputFormat.setOutputPath(job, outputPath);

    //
    // run
    //
    JobSubmitter.run(job, "Sort By Vector Lenghts", -1);
}

From source file:edu.ucsb.cs.sort.maxw.MaxwSortMain.java

License:Apache License

/**
 * Main method sets the job configurations including the mapper and reducer
 * classes to do the sorting./*  w  w  w. java  2  s. c om*/
 */
public static void main(String[] args) throws IOException {

    JobConf job = new JobConf();
    new GenericOptionsParser(job, args);
    // ToolRunner.printGenericCommandUsage(System.out);
    job.setJobName(MaxwSortMain.class.getSimpleName());
    job.setJarByClass(MaxwSortMain.class);
    job.setMapperClass(MaxwSortMapper.class);
    job.setMapOutputKeyClass(FloatWritable.class);
    job.setMapOutputValueClass(IdFeatureWeightArrayWritable.class);

    job.setPartitionerClass(MaxwRangePartitioner.class);

    job.setReducerClass(MaxwSortReducer.class);
    job.setNumReduceTasks(job.getInt(SortDriver.NUM_REDUCE_PROPERTY, SortDriver.NUM_REDUCE_VALUE));
    job.setOutputKeyClass(LongWritable.class);
    job.setOutputValueClass(FeatureWeightArrayWritable.class);
    //
    // set input & output
    //
    String inputDir = SortDriver.INPUT_DIR;
    if (inputDir == null) {
        throw new UnsupportedOperationException("ERROR: input path not set");
    }
    job.setInputFormat(SequenceFileInputFormat.class);
    SequenceFileInputFormat.addInputPath(job, new Path(inputDir));
    Path outputPath = new Path(SortDriver.OUTPUT_DIR);
    FileSystem.get(job).delete(outputPath, true);
    job.setOutputFormat(SequenceFileOutputFormat.class);
    FileOutputFormat.setOutputPath(job, outputPath);
    //
    // run
    //
    JobSubmitter.run(job, "Sort By infinity-Norm", -1);
}

From source file:edu.ucsb.cs.sort.norm.NormSortMain.java

License:Apache License

/**
 * Main method sets the job configurations including the mapper and reducer
 * classes to do the sorting. Some of the produced partitions might be
 * merged later to reflect the number of partitions chosen by the user.
 */// www  .  j  a va  2  s  .co m
public static void main(String[] args) throws IOException {

    JobConf job = new JobConf();
    new GenericOptionsParser(job, args);
    job.setJobName("NormSort");
    job.setJarByClass(NormSortMain.class);
    job.setMapperClass(NormSortMapper.class);
    job.setMapOutputKeyClass(FloatWritable.class);
    job.setMapOutputValueClass(IdFeatureWeightArrayWritable.class);

    job.setPartitionerClass(NormRangePartitioner.class);

    job.setReducerClass(NormSortReducer.class);
    job.setNumReduceTasks(job.getInt(SortDriver.NUM_REDUCE_PROPERTY, SortDriver.NUM_REDUCE_VALUE));
    job.setOutputKeyClass(LongWritable.class);
    job.setOutputValueClass(FeatureWeightArrayWritable.class);
    //
    // set input & output
    //
    String inputDir = SortDriver.INPUT_DIR;
    if (inputDir == null) {
        throw new UnsupportedOperationException("ERROR: input path not set");
    }
    job.setInputFormat(SequenceFileInputFormat.class);
    SequenceFileInputFormat.addInputPath(job, new Path(inputDir));
    Path outputPath = new Path(SortDriver.OUTPUT_DIR);
    FileSystem.get(job).delete(outputPath, true);
    job.setOutputFormat(SequenceFileOutputFormat.class);
    FileOutputFormat.setOutputPath(job, outputPath);
    //
    // run
    //
    JobSubmitter.run(job, "Sort By p-norm", -1);
}