docs: private void makeTempChildPath(String path, String data) {
  
          String finerPrint = DisClientComConfig.getInstance().getInstanceFingerprint();
  
          String mainTypeFullStr = path + "/" + finerPrint;
          try {
              ZookeeperMgr.getInstance().createEphemeralNode(mainTypeFullStr, data, CreateMode.EPHEMERAL);
          } catch (Exception e) {
              LOGGER.error("cannot create: " + mainTypeFullStr + "\t" + e.toString());
          }
      }