code: function(bucketingKey) {
      try {
        // NOTE: the mmh library already does cast the hash value as an unsigned 32bit int
        // https://github.com/perezd/node-murmurhash/blob/master/murmurhash.js#L115
        var hashValue = murmurhash.v3(bucketingKey, HASH_SEED);
        var ratio = hashValue / MAX_HASH_VALUE;
        return parseInt(ratio * MAX_TRAFFIC_VALUE, 10);
      } catch (ex) {
        throw new Error(sprintf(ERROR_MESSAGES.INVALID_BUCKETING_ID, MODULE_NAME, bucketingKey, ex.message));
      }
    }
docs: Helper function to generate bucket value in half-closed interval [0, MAX_TRAFFIC_VALUE)
  @param  {string} bucketingKey String value for bucketing
  @return {string} the generated bucket value
  @throws If bucketing value is not a valid string