From ac2c5caeff1003fd6ab7c4f011a498451491c00d Mon Sep 17 00:00:00 2001
From: Gregory Burd <greg@basho.com>
Date: Wed, 30 Oct 2013 11:50:20 -0400
Subject: [PATCH] Change a few default configs and comment out the stats
 gathering for now.

---
 src/riak_kv_wterl_backend.erl | 54 +++++++++++++++++------------------
 1 file changed, 26 insertions(+), 28 deletions(-)

diff --git a/src/riak_kv_wterl_backend.erl b/src/riak_kv_wterl_backend.erl
index 82682b9..9d9c3eb 100644
--- a/src/riak_kv_wterl_backend.erl
+++ b/src/riak_kv_wterl_backend.erl
@@ -120,9 +120,6 @@ start(Partition, Config) ->
                         [{internal_page_max, "128K"},
                          {leaf_page_max, "16K"},
                          {lsm_chunk_size, "100MB"},
-                         {lsm_merge_threads, 2},
-                         {prefix_compression, true},
-                         {lsm_bloom_newest, true},
                          {lsm_bloom_oldest, true} ,
                          {lsm_bloom_bit_count, 28},
                          {lsm_bloom_hash_count, 19},
@@ -341,22 +338,23 @@ is_empty(#state{connection=Connection, table=Table}) ->
 %% @doc Get the status information for this wterl backend
 -spec status(state()) -> [{atom(), term()}].
 status(#state{connection=Connection, table=Table}) ->
-    case wterl:cursor_open(Connection, "statistics:" ++ Table, [{statistics_fast, true}]) of
-        {ok, Cursor} ->
-	    TheStats =
-		case fetch_status(Cursor) of
-		    {ok, Stats} ->
-			Stats;
-		    {error, {eperm, _}} -> % TODO: review/fix this logic
-			{ok, []};
-		    _ ->
-			{ok, []}
-		end,
-	    wterl:cursor_close(Cursor),
-	    TheStats;
-        {error, Reason2} ->
-            {error, Reason2}
-    end.
+    [].
+%%     case wterl:cursor_open(Connection, "statistics:" ++ Table, [{statistics_fast, true}]) of
+%%         {ok, Cursor} ->
+%% 	    TheStats =
+%% 		case fetch_status(Cursor) of
+%% 		    {ok, Stats} ->
+%% 			Stats;
+%% 		    {error, {eperm, _}} -> % TODO: review/fix this logic
+%% 			{ok, []};
+%% 		    _ ->
+%% 			{ok, []}
+%% 		end,
+%% 	    wterl:cursor_close(Cursor),
+%% 	    TheStats;
+%%         {error, Reason2} ->
+%%             {error, Reason2}
+%%    end.
 
 %% @doc Register an asynchronous callback
 -spec callback(reference(), any(), state()) -> {ok, state()}.
@@ -543,15 +541,15 @@ from_index_key(LKey) ->
 
 %% @private
 %% Return all status from wterl statistics cursor
-fetch_status(Cursor) ->
-   {ok, fetch_status(Cursor, wterl:cursor_next_value(Cursor), [])}.
-fetch_status(_Cursor, {error, _}, Acc) ->
-    lists:reverse(Acc);
-fetch_status(_Cursor, not_found, Acc) ->
-    lists:reverse(Acc);
-fetch_status(Cursor, {ok, Stat}, Acc) ->
-    [What,Val|_] = [binary_to_list(B) || B <- binary:split(Stat, [<<0>>], [global])],
-    fetch_status(Cursor, wterl:cursor_next_value(Cursor), [{What,Val}|Acc]).
+%% fetch_status(Cursor) ->
+%%    {ok, fetch_status(Cursor, wterl:cursor_next_value(Cursor), [])}.
+%% fetch_status(_Cursor, {error, _}, Acc) ->
+%%     lists:reverse(Acc);
+%% fetch_status(_Cursor, not_found, Acc) ->
+%%     lists:reverse(Acc);
+%% fetch_status(Cursor, {ok, Stat}, Acc) ->
+%%     [What,Val|_] = [binary_to_list(B) || B <- binary:split(Stat, [<<0>>], [global])],
+%%     fetch_status(Cursor, wterl:cursor_next_value(Cursor), [{What,Val}|Acc]).
 
 size_cache(RequestedSize) ->
     Size =