您需要采用另一种方式：在事件发生前(您希望向客户端发送新信息来响应它)，连接应该保持打开。
You need it the other way around: the connections should remain open until an event arises that you want to respond to by sending new information to the client.
结果表明，由单个光子传递信息的最大速度也符合因果律，即影响不能在产生它的因素产生前出现。
The results have implications for the maximum speed of information transmission by confirming that single photons obey causality; that is, an effect cannot occur before its cause.
您的主要目标应该是在问题发生前和发生时，收集尽可能多的诊断信息。
Your main objective should be to gather a maximum amount of diagnostic information just before and around the time of a problem.
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