public static void main(String[] args) throws IOException, ClassNotFoundException, InterruptedException {
        Configuration conf = new Configuration();

        String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();
        if (otherArgs.length != 2) {
            System.err.println("Usage: HFace <in> <out>");
            System.exit(2);
        }

        Job job = new Job(conf, "HFace");
        job.setJarByClass(HFace.class);

        job.setInputFormatClass(TextInputFormat.class);
        job.setMapperClass(HFaceMapper.class);
        job.setReducerClass(HFaceReducer.class);
        job.setOutputKeyClass(Text.class);
        job.setOutputValueClass(Text.class);
        FileInputFormat.addInputPath(job, new Path(otherArgs[0]));
        FileOutputFormat.setOutputPath(job, new Path(otherArgs[1]));
        System.exit(job.waitForCompletion(true) ? 0 : 1);
    }