anchor.diff:      ?assertEqual(3, length(N6)),
       ?assertEqual(3, length(N7)),
   
  -    Seq  = lists:seq(1, 100000),
  +    Seq  = lists:seq(1, 10000),
       St = leo_date:clock(),
  -    lists:foreach(fun(Idx) ->
  -                          {ok, _} = leo_redundant_manager_worker:lookup(
  -                                      RingWorker1, 'leo_ring_cur', Idx)
  +    lists:foreach(fun(_) ->
  +                          AddrId = leo_redundant_manager_chash:vnode_id(128, crypto:rand_bytes(64)),
  +                          {ok, #redundancies{nodes = N8}} =
  +                              leo_redundant_manager_worker:lookup(
  +                                RingWorker1, 'leo_ring_cur', AddrId),
  +                          ?assertEqual(3, length(N8))
                     end, Seq),
       End = leo_date:clock(),
       ?debugVal((End - St) / 1000),
  
positive.code: teardown(Pid) ->
      timer:sleep(200),
      exit(Pid, normal),
      ok.
  
  suite_(_) ->
  
negative.code:                           ]]}.
  
  setup() ->
      application:start(crypto),
  
      catch ets:delete('leo_members'),
      catch ets:delete('leo_ring_cur'),
      catch ets:delete('leo_ring_prv'),
  