Each implementation may have a maximum number of socket handles available.
每个实现可能会有可用的套接字处理一个最大数量。
In the above command a value of 0 is specified, which sets the number of requests allowed down a single socket to unlimited.
上面的命令中指定了值0,将允许通过单个套接字发送的请求数量设置为无限大。
Backlog is the queue limit for the number of connections on a socket.
backlog是套接字上的连接数的队列限制。
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