Question

我在这里有一个奇怪的问题（我想）

我在应用程序中使用哨兵以及更改主实例时最主要的事情-我正在打开与实际实例的新连接（一切正常）。

还有我无法获得关闭连接到从属实例的连接的良方法的问题

实际上，当我收到诸如 <<“ READONLY您不能针对只读slave进行写操作”之类的消息时，我可以关闭连接。>>

但是如果我有1500个连接池，它可能会关闭几分钟（p：s我每5秒检查一次健康情况）

还有其他（更快）的解决方案吗？

这是我的代码的一部分：

sentinel_controller.erl

 handle_info(check_master_instance, #state{
  interval = Interval,
  name = CtrlName,
  connected_sentinels = Conns,
  master_instance_name = MasterName} = State) ->
  _ = utils:c_tref(State#state.tref_check_master),
  Masters = get_masters(Conns, MasterName, CtrlName),
  NewState =
    case get_actually_master(Masters) of
      {ok, MasterInstancePeer} ->
        check_pools(MasterInstancePeer, State);
      Error ->
        ?LOG_WARNING("{Sentinel Controller} Error got MasterPeer with reason: ~p~n", [Error]),
        TimerCheckMaster = erlang:send_after(Interval, self(), check_master_instance),
        State#state{tref_check_master = TimerCheckMaster}
    end,
  {noreply, NewState};


check_pools(MasterInstance, #state{
  interval = Interval,
  pool_conf = PoolConf,
  name = ProcsTab,
  pool_started = false} = State) ->
  try
    ok = redis_pool_sup:start_pool(ProcsTab, PoolConf),
    TimerCheckMaster = erlang:send_after(Interval, self(), check_master_instance),
    State#state{tref_check_master = TimerCheckMaster, pool_started = true, master_instance_peer = MasterInstance}
  catch _:_ ->
      ?LOG_WARNING("error started pool Reason: ~p; Master instance: ~p~n", [erlang:get_stacktrace(), MasterInstance]),
      State
  end;
check_pools(NewMasterInstance, #state{
  pool_started = true,
  interval = Interval} = State) ->
  TimerCheckMaster = erlang:send_after(Interval, self(), check_master_instance),
  State#state{tref_check_master = TimerCheckMaster, pool_started = true, master_instance_peer = NewMasterInstance}.

如果您需要其他片段，请告诉我

提前thnx

前哨-如何关闭从站连接？

0 个答案: