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2. It is very difficult to win the competition only by using some mature methods, especially in the in-depth learning competition, so we need to give more creative solutions;(3) The subReactor thread pool allocates a subReactor thread to the SocketChannel, i.e. Registers the READ event concerned by the SocketChannel and the corresponding READ event handler into the subReactor thread. Of course, you also register WRITE events and WRITE event handlers into the subReactor thread to complete I/O writes. Each Reactor thread in the Reactor thread pool has its own Selector, thread, and distribution loop logic.LINUX: Linux uses the variable tcp_max_syn_backlog to define the maximum half number of connections that the backlog queue can hold. In Redhat 7.3, the value of this variable defaults to 256, which is far from enough. A low-intensity SYN attack can fill up the half-connection queue. We can modify the value of this variable with the following command:Asynchronous blocking I/0说道：你是说江北？副将点头道：不错，英布的五万大军尚且陈兵边境，说起来是对江东的。在不远的将来，社会由强大的国家和被称为主任的独裁者控制。 Condor是国家的杀手，但与他认为已死的人重聚会迫使他考虑他的敌人究竟是谁。