gistfile1.hrl

%% nodeparts_for_key
handle_call({nodeparts_for_key, Key}, _From,
            State = #membership{partitions=PMap}) ->
  ?prof(config),
  Config = configuration:get_config(),
  ?forp(config),

  ?prof(hashing),
  Hash = lib_misc:hash(Key),
  Part = partitions:hash_to_partition(Hash, Config#config.q),
  ?forp(hashing),

  ?prof(nodes),
  NodePartList = all_nodes_parts(PMap, true),
  NodeParts = lists:filter(fun({_N,P}) -> P =:= Part end, NodePartList),
  ?forp(nodes),
  {reply, NodeParts, State};