Update basho_bench driver to recognize config flags

Also, add default values to template configuration

src/basho_bench_driver_hanoidb.erl

@@ -59,6 +59,7 @@ new(_Id) ->
     %% Get the target directory
     Dir = basho_bench_config:get(hanoidb_dir, "."),
     Filename = filename:join(Dir, "test.hanoidb"),
+    Config = basho_bench_config:get(hanoidb_flags, []),
 
     %% Look for sync interval config
     case basho_bench_config:get(hanoidb_sync_interval, infinity) of
@@ -69,7 +70,7 @@ new(_Id) ->
     end,
 
     %% Get any bitcask flags
-    case hanoidb:open(Filename) of
+    case hanoidb:open(Filename, Config) of
         {error, Reason} ->
             ?FAIL_MSG("Failed to open hanoidb in ~s: ~p\n", [Filename, Reason]);
         {ok, FBTree} ->

src/hanoidb_bbench.config

@@ -21,6 +21,11 @@
               "../hanoidb/deps/ebloom/ebin"
               ]}.
 
-{bitcask_dir, "/tmp/hanoidb.bench"}.
+% {hanoidb_dir, "/tmp/hanoidb.bench"}.
 
-{bitcask_flags, [o_sync]}.
+{hanoidb_flags, [{expiry_secs, 0},
+                 {sync_strategy, none}, %% |sync|{seconds, N}
+                 {compress, none},      %% |gzip
+                 {page_size, 8192},     %
+                 {merge_strategy, fast} %% |predictable
+                 ]}.