anchor.diff:      [upgrade_sub_keys(memcached, [rbac_file], Config, DefaultConfig),
        upgrade_key(memcached_defaults, DefaultConfig),
        upgrade_key(memcached_config, DefaultConfig)].
  +
  +upgrade_config_from_5_0_to_vulcan() ->
  +    DefaultConfig = default(),
  +    do_upgrade_config_from_5_0_to_vulcan(DefaultConfig).
  +
  +do_upgrade_config_from_5_0_to_vulcan(DefaultConfig) ->
  +    [upgrade_key(memcached_config, DefaultConfig)].
   
   encrypt_config_val(Val) ->
       {ok, Encrypted} = encryption_service:encrypt(term_to_binary(Val)),
  
positive.code:           {[{module, list_to_binary(
                         path_config:component_path(lib,
                                                    "memcached/stdin_term_handler.so"))},
              {config, <<"">>}]},
  
            {[{module, list_to_binary(
                         path_config:component_path(lib, "memcached/file_logger.so"))},
              {config, {"cyclesize=~B;sleeptime=~B;filename=~s/~s",
                        [log_cyclesize, log_sleeptime, log_path, log_prefix]}}]}
           ]},
  
          {admin, {"~s", [admin_user]}},
  
negative.code:         {audit_file, {"~s", [audit_file]}},
          {rbac_file, {"~s", [rbac_file]}},
          {dedupe_nmvb_maps, dedupe_nmvb_maps},
          {xattr_enabled, {memcached_config_mgr, is_enabled, [?VERSION_50]}},
  
          {logger,
           {[{filename, {"~s/~s", [log_path, log_prefix]}},
             {cyclesize, log_cyclesize},
             {sleeptime, log_sleeptime}]}}
         ]}},
  
       {memory_quota, KvQuota},
  