code: private void printShortWorkerInfo(List<WorkerInfo> workerInfoList) {
      String tier = mCapacityTierInfoMap.firstKey();
      String shortInfoFormat = getInfoFormat(workerInfoList, true);
      print(String.format("%n" + shortInfoFormat,
          "Worker Name", "Last Heartbeat", "Storage", tier));
  
      for (WorkerInfo info : workerInfoList) {
        long capacityBytes = info.getCapacityBytes();
        long usedBytes = info.getUsedBytes();
  
        String usedPercentageInfo = "";
        if (capacityBytes != 0) {
          int usedPercentage = (int) (100L * usedBytes / capacityBytes);
          usedPercentageInfo = String.format(" (%s%%)", usedPercentage);
        }
        print(String.format(shortInfoFormat, info.getAddress().getHost(),
            info.getLastContactSec(), "capacity", FormatUtils.getSizeFromBytes(capacityBytes)));
        print(String.format(shortInfoFormat, "", "", "used",
            FormatUtils.getSizeFromBytes(usedBytes) + usedPercentageInfo));
      }
    }
docs: Prints worker information when only one tier exists.
  
  @param workerInfoList the worker info list to get info from