anchor.diff:  
               %% 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),
  +            ok = leo_statistics_metrics_vm:start_link(?STATISTICS_SYNC_INTERVAL),
  +            ok = leo_statistics_metrics_vm:start_link(?SNMP_SYNC_INTERVAL_S),
  +            ok = leo_statistics_metrics_vm:start_link(?SNMP_SYNC_INTERVAL_L),
   
               %% Launch Redundant-manager
               SystemConf = load_system_config(),
  
positive.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("eunit/include/eunit.hrl").
  
  %% External API
  
negative.code: %%-----------------------------------------------------------------------
  %% External API
  %%-----------------------------------------------------------------------
  %% @spec () -> ok
  %% @doc start link...
  %% @end
  