anchor.diff:      ok = launch_repairer(),
   
       ok = leo_statistics_api:start_link(leo_storage),
  -    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_req:start_link(?STAT_INTERVAL_60),
  -    ok = leo_statistics_metrics_req:start_link(?STAT_INTERVAL_300),
  -    ok = leo_storage_mq_statistics:start_link(?STAT_INTERVAL_60),
  -    ok = leo_storage_mq_statistics: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),
  +    ok = leo_statistics_metrics_req:start_link(?SNMP_SYNC_INTERVAL_S),
  +    ok = leo_statistics_metrics_req:start_link(?SNMP_SYNC_INTERVAL_L),
  +    ok = leo_storage_mq_statistics:start_link(?SNMP_SYNC_INTERVAL_S),
  +    ok = leo_storage_mq_statistics:start_link(?SNMP_SYNC_INTERVAL_L),
   
       ok = leo_storage_mq_client:start(QueueDir),
       ok = leo_redundant_manager_api:start(storage, Managers, QueueDir),
  
positive.code: -include("leo_storage.hrl").
  -include_lib("leo_commons/include/leo_commons.hrl").
  -include_lib("leo_logger/include/leo_logger.hrl").
  -include_lib("eunit/include/eunit.hrl").
  
  %% Application and Supervisor callbacks
  
negative.code: %%----------------------------------------------------------------------
  %% INNER FUNCTION
  %%----------------------------------------------------------------------
  after_proc({ok, Pid}) ->
      QueueDir = ?env_queue_dir(leo_storage),
      Managers  = ?env_manager_nodes(leo_storage),
  