1 files changed, 0 insertions, 121 deletions
diff --git a/apps/mem3/src/mem3.erl b/apps/mem3/src/mem3.erl
deleted file mode 100644
index 1021ee5b..00000000
--- a/apps/mem3/src/mem3.erl
+++ /dev/null
@@ -1,121 +0,0 @@
-% Copyright 2010 Cloudant
-% 
-% Licensed under the Apache License, Version 2.0 (the "License"); you may not
-% use this file except in compliance with the License. You may obtain a copy of
-% the License at
-%
-%   http://www.apache.org/licenses/LICENSE-2.0
-%
-% Unless required by applicable law or agreed to in writing, software
-% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-% License for the specific language governing permissions and limitations under
-% the License.
-
--module(mem3).
-
--export([start/0, stop/0, restart/0, nodes/0, shards/1, shards/2,
-    choose_shards/2, n/1]).
--export([compare_nodelists/0, compare_shards/1]).
-
--include("mem3.hrl").
-
-start() ->
-    application:start(mem3).
-
-stop() ->
-    application:stop(mem3).
-
-restart() ->
-    stop(),
-    start().
-
-%% @doc Detailed report of cluster-wide membership state.  Queries the state
-%%      on all member nodes and builds a dictionary with unique states as the
-%%      key and the nodes holding that state as the value.  Also reports member
-%%      nodes which fail to respond and nodes which are connected but are not
-%%      cluster members.  Useful for debugging.
--spec compare_nodelists() -> [{{cluster_nodes, [node()]} | bad_nodes
-    | non_member_nodes, [node()]}].
-compare_nodelists() ->
-    Nodes = mem3:nodes(),
-    AllNodes = erlang:nodes([this, visible]),
-    {Replies, BadNodes} = gen_server:multi_call(Nodes, mem3_nodes, get_nodelist),
-    Dict = lists:foldl(fun({Node, Nodelist}, D) ->
-        orddict:append({cluster_nodes, Nodelist}, Node, D)
-    end, orddict:new(), Replies),
-    [{non_member_nodes, AllNodes -- Nodes}, {bad_nodes, BadNodes} | Dict].
-
--spec compare_shards(DbName::iodata()) -> [{bad_nodes | [#shard{}], [node()]}].
-compare_shards(DbName) when is_list(DbName) ->
-    compare_shards(list_to_binary(DbName));
-compare_shards(DbName) ->
-    Nodes = mem3:nodes(),
-    {Replies, BadNodes} = rpc:multicall(mem3, shards, [DbName]),
-    GoodNodes = [N || N <- Nodes, not lists:member(N, BadNodes)],
-    Dict = lists:foldl(fun({Shards, Node}, D) ->
-        orddict:append(Shards, Node, D)
-    end, orddict:new(), lists:zip(Replies, GoodNodes)),
-    [{bad_nodes, BadNodes} | Dict].
-
--spec n(DbName::iodata()) -> integer().
-n(DbName) ->
-    length(mem3:shards(DbName, <<"foo">>)).
-
--spec nodes() -> [node()].
-nodes() ->
-    mem3_nodes:get_nodelist().
-
--spec shards(DbName::iodata()) -> [#shard{}].
-shards(DbName) when is_list(DbName) ->
-    shards(list_to_binary(DbName));
-shards(DbName) ->
-    try ets:lookup(partitions, DbName) of
-    [] ->
-        mem3_util:load_shards_from_disk(DbName);
-    Else ->
-        Else
-    catch error:badarg ->
-        mem3_util:load_shards_from_disk(DbName)
-    end.
-
--spec shards(DbName::iodata(), DocId::binary()) -> [#shard{}].
-shards(DbName, DocId) when is_list(DbName) ->
-    shards(list_to_binary(DbName), DocId);
-shards(DbName, DocId) when is_list(DocId) ->
-    shards(DbName, list_to_binary(DocId));
-shards(DbName, DocId) ->
-    HashKey = mem3_util:hash(DocId),
-    Head = #shard{
-        name = '_',
-        node = '_',
-        dbname = DbName,
-        range = ['$1','$2'],
-        ref = '_'
-    },
-    Conditions = [{'<', '$1', HashKey}, {'=<', HashKey, '$2'}],
-    try ets:select(partitions, [{Head, Conditions, ['$_']}]) of
-    [] ->
-        mem3_util:load_shards_from_disk(DbName, DocId);
-    Shards ->
-        Shards
-    catch error:badarg ->
-        mem3_util:load_shards_from_disk(DbName, DocId)
-    end.
-
--spec choose_shards(DbName::iodata(), Options::list()) -> [#shard{}].
-choose_shards(DbName, Options) when is_list(DbName) ->
-    choose_shards(list_to_binary(DbName), Options);
-choose_shards(DbName, Options) ->
-    try shards(DbName)
-    catch error:E when E==database_does_not_exist; E==badarg ->
-        Nodes = mem3:nodes(),
-        NodeCount = length(Nodes),
-        N = mem3_util:n_val(couch_util:get_value(n, Options), NodeCount),
-        Q = mem3_util:to_integer(couch_util:get_value(q, Options,
-            couch_config:get("cluster", "q", "8"))),
-        % rotate to a random entry in the nodelist for even distribution
-        {A, B} = lists:split(crypto:rand_uniform(1,length(Nodes)+1), Nodes),
-        RotatedNodes = B ++ A,
-        mem3_util:create_partition_map(DbName, N, Q, RotatedNodes)
-    end.