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  3. org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer

Java 类org.apache.hadoop.mapreduce.lib.reduce.IntSumReducer 实例源码

项目：Hadoop-Codes    文件：SystemUserDriver.java    
public static void main(String[] args) throws Exception {
    Configuration conf = new Configuration();
    Job job = Job.getInstance(conf, "systemuser");

    //job.setMapperClass(SystemUserMapper.class);
    job.setMapperClass(DailyCount.class);
    job.setReducerClass(IntSumReducer.class);

    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    FileInputFormat.setInputPaths(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    if (!job.waitForCompletion(true))
        return;
}
项目：hadoop    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：aliyun-oss-hadoop-fs    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：big-c    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：LCIndex-HBase-0.94.16    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hadoop-2.6.0-cdh5.4.3    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：hadoop-plus    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：FlexMap    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：hops    文件：TestSingleElementChain.java    
@Test
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：IRIndex    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：RStore    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hadoop-TCP    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：Hadoop-TextWithPath    文件：DemoRun.java    
@Override
public int run(String[] args) throws Exception {
  Configuration conf = getConf();
  Job job = new Job(conf);
  job.setJobName("test TextWithPath Input");
  job.setJarByClass(DemoRun.class);

  TWPInputFormat.addInputPath(job, new Path(args[0]));
  job.setInputFormatClass(TWPInputFormat.class);
  job.setMapperClass(TestMapper.class);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(NullWritable.class);
  job.setReducerClass(IntSumReducer.class);
  job.setNumReduceTasks(1);
  FileOutputFormat.setOutputPath(job, new Path(args[1]));

  job.submit();
  job.waitForCompletion(true);
  return 0;
}
项目：hardfs    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：hadoop-on-lustre2    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：Hadoop-CombineFileInputFormat    文件：TestMain.java    
@Override
public int run(String[] args) throws Exception {
  // TODO Auto-generated method stub
  Configuration conf = getConf();
  Job job = new Job(conf);
  job.setJobName("CombineFile Demo");
  job.setJarByClass(TestMain.class);
  FileInputFormat.addInputPath(job, new Path(args[0]));
  job.setInputFormatClass(CFInputFormat.class);
  job.setMapperClass(TestMapper.class);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setReducerClass(IntSumReducer.class);
  job.setNumReduceTasks(13);
  FileOutputFormat.setOutputPath(job, new Path(args[1]));
  job.submit();
  job.waitForCompletion(true);

  return 0;
}
项目：mapreduce-fork    文件：TestSingleElementChain.java    
public void testNoChain() throws Exception {
  Path inDir = new Path(localPathRoot, "testing/chain/input");
  Path outDir = new Path(localPathRoot, "testing/chain/output");
  String input = "a\nb\na\n";
  String expectedOutput = "a\t2\nb\t1\n";

  Configuration conf = createJobConf();

  Job job = MapReduceTestUtil.createJob(conf, inDir, outDir, 1, 1, input);
  job.setJobName("chain");

  ChainMapper.addMapper(job, TokenCounterMapper.class, Object.class,
      Text.class, Text.class, IntWritable.class, null);

  ChainReducer.setReducer(job, IntSumReducer.class, Text.class,
      IntWritable.class, Text.class, IntWritable.class, null);

  job.waitForCompletion(true);
  assertTrue("Job failed", job.isSuccessful());
  assertEquals("Outputs doesn't match", expectedOutput, MapReduceTestUtil
      .readOutput(outDir, conf));
}
项目：HBase-Research    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hbase-0.94.8-qod    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hbase-0.94.8-qod    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hindex    文件：CellCounter.java    
/**
 * Sets up the actual job.
 *
 * @param conf The current configuration.
 * @param args The command line parameters.
 * @return The newly created job.
 * @throws IOException When setting up the job fails.
 */
public static Job createSubmittableJob(Configuration conf, String[] args)
    throws IOException {
  String tableName = args[0];
  Path outputDir = new Path(args[1]);
  String reportSeparatorString = (args.length > 2) ? args[2]: ":";
  conf.set("ReportSeparator", reportSeparatorString);
  Job job = new Job(conf, NAME + "_" + tableName);
  job.setJarByClass(CellCounter.class);
  Scan scan = getConfiguredScanForJob(conf, args);
  TableMapReduceUtil.initTableMapperJob(tableName, scan,
      CellCounterMapper.class, ImmutableBytesWritable.class, Result.class, job);
  job.setNumReduceTasks(1);
  job.setMapOutputKeyClass(Text.class);
  job.setMapOutputValueClass(IntWritable.class);
  job.setOutputFormatClass(TextOutputFormat.class);
  job.setOutputKeyClass(Text.class);
  job.setOutputValueClass(IntWritable.class);
  FileOutputFormat.setOutputPath(job, outputDir);
  job.setReducerClass(IntSumReducer.class);
  return job;
}
项目：hadoop    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = Job.getInstance(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：aliyun-oss-hadoop-fs    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = Job.getInstance(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：gemfirexd-oss    文件：BusyAirports.java    
public int run(String[] args) throws Exception {

    GfxdDataSerializable.initTypes();
    Configuration conf = getConf();

    Path outputPath = new Path(args[0]);
    String hdfsHomeDir = args[1];
    String tableName = args[2];

    outputPath.getFileSystem(conf).delete(outputPath, true);

    conf.set(RowInputFormat.HOME_DIR, hdfsHomeDir);
    conf.set(RowInputFormat.INPUT_TABLE, tableName);
    conf.setBoolean(RowInputFormat.CHECKPOINT_MODE, false);

    Job job = Job.getInstance(conf, "Busy Airport Count");

    job.setInputFormatClass(RowInputFormat.class);

    // configure mapper and reducer
    job.setMapperClass(SampleMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    // configure output
    TextOutputFormat.setOutputPath(job, outputPath);
    job.setOutputFormatClass(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：gemfirexd-oss    文件：BusyLegs.java    
public int run(String[] args) throws Exception {

    GfxdDataSerializable.initTypes();
    Configuration conf = getConf();

    Path outputPath = new Path(args[0]);
    String hdfsHomeDir = args[1];
    String tableName = args[2];

    outputPath.getFileSystem(conf).delete(outputPath, true);

    conf.set(RowInputFormat.HOME_DIR, hdfsHomeDir);
    conf.set(RowInputFormat.INPUT_TABLE, tableName);
    conf.setBoolean(RowInputFormat.CHECKPOINT_MODE, false);

    Job job = Job.getInstance(conf, "Busy Leg Count");

    job.setInputFormatClass(RowInputFormat.class);

    // configure mapper and reducer
    job.setMapperClass(SampleMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    // configure output
    TextOutputFormat.setOutputPath(job, outputPath);
    job.setOutputFormatClass(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：big-c    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = Job.getInstance(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：Data-Science-with-Hadoop    文件：WordCountPredefined.java    
public static void main(String[] args) throws Exception
{
    Configuration conf = new Configuration();
    Job job = new Job(conf, "word count1");
    job.setJarByClass(WordCountPredefined.class);
    job.setMapperClass(TokenCounterMapper.class);
    job.setReducerClass(IntSumReducer.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    FileInputFormat.addInputPath(job, new Path(args[0]));
    FileOutputFormat.setOutputPath(job, new Path(args[1]));
    System.exit(job.waitForCompletion(true) ? 0 : 1);
}
项目：hadoop-2.6.0-cdh5.4.3    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hadoop-2.6.0-cdh5.4.3    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：gemfirexd-oss    文件：BusyAirports.java    
public int run(String[] args) throws Exception {

    GfxdDataSerializable.initTypes();
    Configuration conf = getConf();

    Path outputPath = new Path(args[0]);
    String hdfsHomeDir = args[1];
    String tableName = args[2];

    outputPath.getFileSystem(conf).delete(outputPath, true);

    conf.set(RowInputFormat.HOME_DIR, hdfsHomeDir);
    conf.set(RowInputFormat.INPUT_TABLE, tableName);
    conf.setBoolean(RowInputFormat.CHECKPOINT_MODE, false);

    Job job = Job.getInstance(conf, "Busy Airport Count");

    job.setInputFormatClass(RowInputFormat.class);

    // configure mapper and reducer
    job.setMapperClass(SampleMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    // configure output
    TextOutputFormat.setOutputPath(job, outputPath);
    job.setOutputFormatClass(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：gemfirexd-oss    文件：BusyLegs.java    
public int run(String[] args) throws Exception {

    GfxdDataSerializable.initTypes();
    Configuration conf = getConf();

    Path outputPath = new Path(args[0]);
    String hdfsHomeDir = args[1];
    String tableName = args[2];

    outputPath.getFileSystem(conf).delete(outputPath, true);

    conf.set(RowInputFormat.HOME_DIR, hdfsHomeDir);
    conf.set(RowInputFormat.INPUT_TABLE, tableName);
    conf.setBoolean(RowInputFormat.CHECKPOINT_MODE, false);

    Job job = Job.getInstance(conf, "Busy Leg Count");

    job.setInputFormatClass(RowInputFormat.class);

    // configure mapper and reducer
    job.setMapperClass(SampleMapper.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    // configure output
    TextOutputFormat.setOutputPath(job, outputPath);
    job.setOutputFormatClass(TextOutputFormat.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hadoop-plus    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：FlexMap    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = Job.getInstance(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hops    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = Job.getInstance(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：glusterfs-hadoop-examples    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hadoop-TCP    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hardfs    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：hadoop-on-lustre2    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }
项目：lefex    文件：HadoopMain.java    
private boolean runJob(String inDir, String outDir, boolean compressOutput) throws Exception {
    Configuration conf = getConf();
    conf.setBoolean("mapred.output.compress", compressOutput);
    conf.set("mapred.output.compression.codec", "org.apache.hadoop.io.compress.GzipCodec");
    Job job = Job.getInstance(conf);
    job.setJarByClass(HadoopMain.class);
    FileInputFormat.addInputPath(job, new Path(inDir));
    FileOutputFormat.setOutputPath(job, new Path(outDir));

    job.setMapperClass(HadoopMap.class);
    job.setMapOutputKeyClass(Text.class);
    job.setMapOutputValueClass(IntWritable.class);
    job.setOutputKeyClass(Text.class);
    job.setOutputValueClass(IntWritable.class);
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(MultiOutputIntSumReducer.class);

    // Turn off the default output ("part-..."), we don't need it
    LazyOutputFormat.setOutputFormatClass(job, TextOutputFormat.class);
    MultipleOutputs.addNamedOutput(job, "W", TextOutputFormat.class, Text.class, IntWritable.class);
    MultipleOutputs.addNamedOutput(job, "CoocF", TextOutputFormat.class, Text.class, IntWritable.class);
    MultipleOutputs.addNamedOutput(job, "CoocWF", TextOutputFormat.class, Text.class, IntWritable.class);
    MultipleOutputs.addNamedOutput(job, "F", TextOutputFormat.class, Text.class, IntWritable.class);
    MultipleOutputs.addNamedOutput(job, "WF", TextOutputFormat.class, Text.class, IntWritable.class);

    String[] mwePaths = conf.getStrings("holing.mwe.vocabulary", "");
    String mwePath = "";
    if (mwePaths != null && mwePaths.length > 0 && mwePaths[0] != null) mwePath = mwePaths[0];
    if (!mwePath.equals("")) job.addCacheFile(new URI(mwePath + "#mwe_voc"));

    job.setJobName("lefex: Feature Extraction");
    return job.waitForCompletion(true);
}
项目：Hadoop-Patent-Data    文件：MultiFileWordCount.java    
public int run(String[] args) throws Exception {

    if(args.length < 2) {
      printUsage();
      return 2;
    }

    Job job = new Job(getConf());
    job.setJobName("MultiFileWordCount");
    job.setJarByClass(MultiFileWordCount.class);

    //set the InputFormat of the job to our InputFormat
    job.setInputFormatClass(MyInputFormat.class);

    // the keys are words (strings)
    job.setOutputKeyClass(Text.class);
    // the values are counts (ints)
    job.setOutputValueClass(IntWritable.class);

    //use the defined mapper
    job.setMapperClass(MapClass.class);
    //use the WordCount Reducer
    job.setCombinerClass(IntSumReducer.class);
    job.setReducerClass(IntSumReducer.class);

    FileInputFormat.addInputPaths(job, args[0]);
    FileOutputFormat.setOutputPath(job, new Path(args[1]));

    return job.waitForCompletion(true) ? 0 : 1;
  }