public virtual void Configure(JobConf conf)
 {
     try
     {
         FileSystem   fs = FileSystem.Get(conf);
         OutputStream os = fs.Create(FileOutputFormat.GetPathForCustomFile(conf, "test"));
         os.Write(1);
         os.Close();
     }
     catch (IOException ex)
     {
         throw new RuntimeException(ex);
     }
 }