public int run(String[] args) throws Exception
{
    Configuration conf = this.getConf();
    Job job = Job.getInstance(conf, "traitement");
    job.setJarByClass(TraitementDriver.class);
    job.setMapperClass(TraitementMapper.class);
    job.setReducerClass(TraitementReducer.class);

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

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