anchor.diff:  %%-----------------------------------------------------------------------
   %% External API
   %%-----------------------------------------------------------------------
  --define(STAT_INTERVAL_10,   10000).
  --define(STAT_INTERVAL_60,   60000).
  --define(STAT_INTERVAL_300, 300000).
  -
   %% @spec () -> ok
   %% @doc start link...
   %% @end
  
positive.code: 
              %% Launch Statistics
              ok = leo_statistics_api:start_link(leo_manager),
              ok = leo_statistics_metrics_vm:start_link(?STAT_INTERVAL_10),
              ok = leo_statistics_metrics_vm:start_link(?STAT_INTERVAL_60),
              ok = leo_statistics_metrics_vm:start_link(?STAT_INTERVAL_300),
  
              %% Launch Redundant-manager
              SystemConf = load_system_config(),
  
negative.code: -include_lib("leo_commons/include/leo_commons.hrl").
  -include_lib("leo_logger/include/leo_logger.hrl").
  -include_lib("leo_s3_libs/include/leo_s3_auth.hrl").
  -include_lib("leo_statistics/include/leo_statistics.hrl").
  -include_lib("eunit/include/eunit.hrl").
  
  %% External API
  