code: def du(self, src, extra_args=[]):
          '''Perform ``du`` on a path'''
          src = [self._full_hdfs_path(x) for x in src]
          return self._transform_du_output(self._getStdOutCmd([self._hadoop_cmd, 'fs', '-du'] + extra_args + src, True), self.hdfs_urlf du(self, src, extra_args=[]):
          '''Perform ``du`` on a path'''
          src = [self._full_hdfs_path(x) for x in src]
          return self._transform_du_output(self._getStdOutCmd([self._hadoop_cmd, 'fs', '-du'] + extra_args + src, True), self.hdfs_url)
docs: Perform ``du`` on a path