anchor.diff:                  %% tell us its content length.
                   {ValueGen, ValFunc(get_content_length)};
               _ ->
  -                basho_bench_log:log(
  -                  error,
  +                lager:log(
  +                  error, self(),
                     "This driver cannot use the standard basho_bench "
                     "generator functions, please see refer to "
                     "'moss.config.sample' file for an example.\n", []),
  
positive.code:          lists:keymember(delete, 1, OpsList) andalso
           length(OpsList) > 1 of
          true ->
              basho_bench_log:log(
                warn,
                "Mixing delete and non-delete operations together with "
                "~p measurements unit can yield nonsense results!\n\n",
                [RF_name]);
  
negative.code:             _             -> {op_sec, fun(_) -> 1.0 end}
          end,
      if ID == 1 ->
              lager:log(info, self(), "Reporting factor = ~p\n", [RF_name]);
         true ->
              ok
      end,
  