CF_UNS("PresortBuffer", &sorter_presort_bufsize),
CF_UNS("StreamBuffer", &sorter_stream_bufsize),
CF_U64("SortBuffer", &sorter_bufsize),
CF_UNS("PresortBuffer", &sorter_presort_bufsize),
CF_UNS("StreamBuffer", &sorter_stream_bufsize),
CF_U64("SortBuffer", &sorter_bufsize),