public static double MBSecondsToGBHours(long MBSeconds) {
    double GBseconds = (double) MBSeconds / (double) FileUtils.ONE_KB;
    double GBHours = GBseconds / Statistics.HOUR;
    return GBHours;
  }
Convert a value in MBSeconds to GBHours
@param MBSeconds The value to convert
@return A double of the value in GB Hours unit
app/com/linkedin/drelephant/util/Utils.java