content: package hip.ch8;
  
  import hip.util.Cli;
  import hip.util.CliCommonOpts;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.conf.Configured;
  import org.apache.hadoop.fs.Path;
  import org.apache.hadoop.io.LongWritable;
  import org.apache.hadoop.io.Text;
  import org.apache.hadoop.mapred.*;
  import org.apache.hadoop.util.Tool;
  import org.apache.hadoop.util.ToolRunner;
  
  import java.io.IOException;
  
  public class SlowJob extends Configured implements Tool {
  
    /**
     * Main entry point for the example.
     *
     * @param args arguments
     * @throws Exception when something goes wrong
     */
    public static void main(final String[] args) throws Exception {
      int res = ToolRunner.run(new Configuration(), new SlowJob(), args);
      System.exit(res);
    }
  
    /**
     * The MapReduce driver - setup and launch the job.
     *
     * @param args the command-line arguments
     * @return the process exit code
     * @throws Exception if something goes wrong
     */
    public int run(final String[] args) throws Exception {
  
  
      Cli cli = Cli.builder().setArgs(args).addOptions(CliCommonOpts.MrIoOpts.values()).build();
      int result = cli.runCmd();
  
      if (result != 0) {
        return result;
      }
  
      Path inputPath = new Path(cli.getArgValueAsString(CliCommonOpts.MrIoOpts.INPUT));
      Path outputPath = new Path(cli.getArgValueAsString(CliCommonOpts.MrIoOpts.OUTPUT));
  
      Configuration conf = super.getConf();
      JobConf job = new JobConf(conf);
      job.setJarByClass(SlowJob.class);
  
      job.setMapperClass(Map.class);
  
      FileInputFormat.setInputPaths(job, inputPath);
      FileOutputFormat.setOutputPath(job, outputPath);
  
      job.setProfileEnabled(true);
      job.setProfileParams(
          "-agentlib:hprof=depth=8,cpu=samples,heap=sites,force=n," +
              "thread=y,verbose=n,file=%s");
      job.setProfileTaskRange(true, "0,1,5-10");
      job.setProfileTaskRange(false, "");
  
      JobClient.runJob(job);
  
      System.out.println("Done");
  
      Thread.sleep(20000);
  
      return 0;
    }
  
    public static class Map implements
        Mapper<LongWritable, Text, LongWritable, Text> {
  
      @Override
      public void configure(JobConf job) {
      }
  
      @Override
      public void map(LongWritable key, Text value,
                      OutputCollector<LongWritable, Text> output,
                      Reporter reporter) throws IOException {
  
        String[] parts = value.toString().split("\\.");
        Text outputValue = new Text(parts[0]);
        output.collect(key, outputValue);
      }
  
      @Override
      public void close() throws IOException {
      }
  
    }
  
  }
  