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