anchor.diff:                            {count, 0}]},
        {{node, node(), couchdb},
         [{database_dir, DbDir},
  -       {view_index_dir, DbDir}]}
  +       {view_index_dir, DbDir}]},
  +     {{node, node(), uuid},
  +      NodeUUID}
       ].
   
   %% returns list of changes to config to upgrade it to current version.
  
positive.code: 
  do_upgrade_config_from_1_7_2_to_2_0(Config, DefaultConfig) ->
      {_, RestConfig} = lists:keyfind({node, node(), rest}, 1, DefaultConfig),
      MaybeAutoCompaction = case ns_config:search(Config, autocompaction) of
                                {value, _} -> [];
                                false ->
  
negative.code:                        {memcached, "memcached old something"}]},
                       {{node, node(), ns_log}, default_log}]],
               erlang:put(capi_port_override, 5984),
               erlang:put(node_uuid_override, <<"--uuid--">>),
               ets:new(path_config_override, [public, named_table, {read_concurrency, true}]),
               [ets:insert(path_config_override, {K, "."}) || K <- [path_config_tmpdir, path_config_datadir,
                                                                    path_config_bindir, path_config_libdir,
  