docs: @Override
      public void modifyFile(String groupName, String path, InputStream inputStream, long fileSize, long fileOffset) {
          StorageNodeInfo client = trackerClient.getUpdateStorage(groupName, path);
          StorageModifyCommand command = new StorageModifyCommand(path, inputStream, fileSize, fileOffset);
          connectionManager.executeFdfsCmd(client.getInetSocketAddress(), command);
  
      }