如何确定套接字listen()待办事项参数的值? [英] How to determine the value of socket listen() backlog parameter?

问题描述

如何确定用于侦听套接字的积压参数的内容?简单地指定一个很大的数字是否有问题?

How should I determine what to use for a listening socket's backlog parameter? Is it a problem to simply specify a very large number?

推荐答案

从文档:

SOMAXCONN的积压值是一个特殊的常量，它指示负责套接字s的基础服务提供者将挂起的连接队列的长度设置为最大合理值.

A value for the backlog of SOMAXCONN is a special constant that instructs the underlying service provider responsible for socket s to set the length of the queue of pending connections to a maximum reasonable value.

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