public static String getResourceInGBHours(long MBSeconds) {

    if (MBSeconds == 0) {
      return "0 GB Hours";
    }

    double GBHours = MBSecondsToGBHours(MBSeconds);
    if ((long) (GBHours * 1000) == 0) {
      return "0 GB Hours";
    }

    DecimalFormat df = new DecimalFormat("0.000");
    String GBHoursString = df.format(GBHours);
    GBHoursString = GBHoursString + " GB Hours";
    return GBHoursString;
  }
Convert a value in MBSeconds to GBHours
@param MBSeconds The value to convert
@return A string of form a.xyz GB Hours
app/com/linkedin/drelephant/util/Utils.java