def data_size(self, live_data=None):
        if live_data is not None:
            warnings.warn("The 'live_data' keyword argument is deprecated.",
                          DeprecationWarning)
        info = self.nodetool('info', capture_output=True)[0]
        return _get_load_from_info_output(info)
Uses `nodetool info` to get the size of a node's data in KB.
dataset/ETHPy150Open pcmanus/ccm/ccmlib/node.py/Node.data_size