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

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

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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.umd.cloud9.demo.DemoWordCountJSON.java

License:Apache License

/**
 * Runs this tool.//from  ww w.  j  a  va2  s  .co m
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int numMapTasks = Integer.parseInt(args[2]);
    int numReduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: DemoWordCountJSON");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + numMapTasks);
    sLogger.info(" - number of reducers: " + numReduceTasks);

    JobConf conf = new JobConf(DemoWordCountTuple1.class);
    conf.setJobName("DemoWordCountJSON");

    conf.setNumMapTasks(numMapTasks);
    conf.setNumReduceTasks(numReduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputKeyClass(MyKey.class);
    conf.setOutputValueClass(IntWritable.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);

    conf.setMapperClass(MyMapper.class);
    conf.setCombinerClass(MyReducer.class);
    conf.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.demo.DemoWordCountTuple1.java

License:Apache License

/**
 * Runs this tool.//w w w  .j a  v  a2 s. co m
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int numMapTasks = Integer.parseInt(args[2]);
    int numReduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: DemoWordCountTuple1");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + numMapTasks);
    sLogger.info(" - number of reducers: " + numReduceTasks);

    JobConf conf = new JobConf(DemoWordCountTuple1.class);
    conf.setJobName("DemoWordCountTuple1");

    conf.setNumMapTasks(numMapTasks);
    conf.setNumReduceTasks(numReduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputKeyClass(Tuple.class);
    conf.setOutputValueClass(IntWritable.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);

    conf.setMapperClass(MyMapper.class);
    conf.setCombinerClass(MyReducer.class);
    conf.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.demo.DemoWordCountTuple2.java

License:Apache License

/**
 * Runs this tool./* w w w .j  a  v  a 2 s .  c o  m*/
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int numMapTasks = Integer.parseInt(args[2]);
    int numReduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: DemoWordCountTuple2");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + numMapTasks);
    sLogger.info(" - number of reducers: " + numReduceTasks);

    JobConf conf = new JobConf(DemoWordCountTuple2.class);
    conf.setJobName("DemoWordCountTuple2");

    conf.setNumMapTasks(numMapTasks);
    conf.setNumReduceTasks(numReduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    conf.setInputFormat(SequenceFileInputFormat.class);
    conf.setOutputKeyClass(Tuple.class);
    conf.setOutputValueClass(IntWritable.class);
    conf.setOutputFormat(SequenceFileOutputFormat.class);

    conf.setMapperClass(MapClass.class);
    conf.setCombinerClass(ReduceClass.class);
    conf.setReducerClass(ReduceClass.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.example.simple.DemoMapredNullInput.java

License:Apache License

/**
 * Runs the demo.//from w  w w .  j  a  va  2 s .  c om
 */
public static void main(String[] args) throws IOException {
    JobConf conf = new JobConf(DemoMapredNullInput.class);
    conf.setJobName("DemoMapredNullInput");

    conf.setNumMapTasks(10);
    conf.setNumReduceTasks(0);

    conf.setInputFormat(NullInputFormat.class);
    conf.setOutputFormat(NullOutputFormat.class);
    conf.setMapperClass(MyMapper.class);

    JobClient.runJob(conf);
}

From source file:edu.umd.cloud9.example.simple.DemoNullInput.java

License:Apache License

/**
 * Runs the demo./*  w  w  w  .j  av a2  s.com*/
 */
public static void main(String[] args) throws IOException {
    JobConf conf = new JobConf(DemoNullInput.class);
    conf.setJobName("DemoNullInput");

    conf.setNumMapTasks(10);
    conf.setNumReduceTasks(0);

    conf.setInputFormat(NullInputFormat.class);
    conf.setOutputFormat(NullOutputFormat.class);
    conf.setMapperClass(MyMapper.class);

    JobClient.runJob(conf);
}

From source file:edu.umd.cloud9.examples.BigramCount.java

License:Apache License

/**
 * Runs this tool./*from   ww  w. ja  v  a2  s.  c  o m*/
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int mapTasks = Integer.parseInt(args[2]);
    int reduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: BigramCount");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + mapTasks);
    sLogger.info(" - number of reducers: " + reduceTasks);

    JobConf conf = new JobConf(BigramCount.class);
    conf.setJobName("BigramCount");

    conf.setNumMapTasks(mapTasks);
    conf.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    /**
     *  Note that these must match the Class arguments given in the mapper 
     */
    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(IntWritable.class);

    conf.setMapperClass(MyMapper.class);
    conf.setCombinerClass(MyReducer.class);
    conf.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(outputDir.toUri(), conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.examples.BigramRelativeFrequency.java

License:Apache License

/**
 * Runs this tool./*from  ww w .j a v a  2  s  . co  m*/
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int mapTasks = Integer.parseInt(args[2]);
    int reduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: BigramRelativeFrequency");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + mapTasks);
    sLogger.info(" - number of reducers: " + reduceTasks);

    JobConf conf = new JobConf(BigramRelativeFrequency.class);
    conf.setJobName("BigramRelativeFrequency");

    conf.setNumMapTasks(mapTasks);
    conf.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    /**
     *  Note that these must match the Class arguments given in the mapper 
     */
    conf.setOutputKeyClass(PairOfStrings.class);
    conf.setOutputValueClass(FloatWritable.class);

    conf.setMapperClass(MyMapper.class);
    conf.setCombinerClass(MyCombiner.class);
    conf.setReducerClass(MyReducer.class);
    conf.setPartitionerClass(MyPartitioner.class);

    //Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(outputDir.toUri(), conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.examples.BuildInvertedIndex.java

License:Apache License

/**
 * Runs this tool./*from   w w w  .  j  a v  a2 s . co m*/
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int mapTasks = Integer.parseInt(args[2]);
    int reduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: BuildInvertedIndex");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + mapTasks);
    sLogger.info(" - number of reducers: " + reduceTasks);

    JobConf conf = new JobConf(BuildInvertedIndex.class);
    conf.setJobName("BuildInvertedIndex");

    conf.setNumMapTasks(mapTasks);
    conf.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    /**
     *  Note that these must match the Class arguments given in the mapper 
     */
    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(PairOfInts.class);

    conf.setMapperClass(MyMapper.class);
    conf.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(outputDir.toUri(), conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.examples.DemoWordCount.java

License:Apache License

/**
 * Runs this tool.//from   www .  j  av  a 2s  . c o  m
 */
public int run(String[] args) throws Exception {
    if (args.length != 4) {
        printUsage();
        return -1;
    }

    String inputPath = args[0];
    String outputPath = args[1];

    int mapTasks = Integer.parseInt(args[2]);
    int reduceTasks = Integer.parseInt(args[3]);

    sLogger.info("Tool: DemoWordCount");
    sLogger.info(" - input path: " + inputPath);
    sLogger.info(" - output path: " + outputPath);
    sLogger.info(" - number of mappers: " + mapTasks);
    sLogger.info(" - number of reducers: " + reduceTasks);

    JobConf conf = new JobConf(DemoWordCount.class);
    conf.setJobName("DemoWordCount");

    conf.setNumMapTasks(mapTasks);
    conf.setNumReduceTasks(reduceTasks);

    FileInputFormat.setInputPaths(conf, new Path(inputPath));
    FileOutputFormat.setOutputPath(conf, new Path(outputPath));
    FileOutputFormat.setCompressOutput(conf, false);

    /**
     *  Note that these must match the Class arguments given in the mapper 
     */
    conf.setOutputKeyClass(Text.class);
    conf.setOutputValueClass(IntWritable.class);

    conf.setMapperClass(MyMapper.class);
    conf.setCombinerClass(MyReducer.class);
    conf.setReducerClass(MyReducer.class);

    // Delete the output directory if it exists already
    Path outputDir = new Path(outputPath);
    FileSystem.get(outputDir.toUri(), conf).delete(outputDir, true);

    long startTime = System.currentTimeMillis();
    JobClient.runJob(conf);
    sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");

    return 0;
}

From source file:edu.umd.cloud9.examples.JingBigramRelativeFrequency.java

License:Apache License

/**
  * Runs this tool./*from   ww w  .j a  v a2s. c  o m*/
  */
 public int run(String[] args) throws Exception {
     if (args.length != 4) {
         printUsage();
         return -1;
     }

     String inputPath = args[0];
     String outputPath = args[1];

     int mapTasks = Integer.parseInt(args[2]);
     int reduceTasks = Integer.parseInt(args[3]);

     sLogger.info("Tool: DemoWordCount");
     sLogger.info(" - input path: " + inputPath);
     sLogger.info(" - output path: " + outputPath);
     sLogger.info(" - number of mappers: " + mapTasks);
     sLogger.info(" - number of reducers: " + reduceTasks);

     JobConf conf = new JobConf(BigramRelativeFrequency.class);
     conf.setJobName("DemoWordCount");

     conf.setNumMapTasks(mapTasks);
     conf.setNumReduceTasks(reduceTasks);

     FileInputFormat.setInputPaths(conf, new Path(inputPath));
     FileOutputFormat.setOutputPath(conf, new Path(outputPath));
     FileOutputFormat.setCompressOutput(conf, false);

     /**
      *  Note that these must match the Class arguments given in the mapper 
      */
     conf.setOutputKeyClass(Text.class);
     conf.setOutputValueClass(IntWritable.class);

     conf.setMapperClass(MyMapper.class);
     conf.setCombinerClass(MyReducer.class);
     conf.setReducerClass(MyReducer.class);

     // Delete the output directory if it exists already
     Path outputDir = new Path(outputPath);
     FileSystem.get(outputDir.toUri(), conf).delete(outputDir, true);

     long startTime = System.currentTimeMillis();
     JobClient.runJob(conf);
     sLogger.info("Job Finished in " + (System.currentTimeMillis() - startTime) / 1000.0 + " seconds");
     return 0;
 }