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引言 (Introduction) 在现代计算机系统中，应对高性能的输入输出 (I/O) 系统及其处理能力的需求日益迫切。为了解决这一挑战，研究者们开发出了I/O多路复用技术。本篇文章将探讨I/O多路复用的背景与需求以及Linux中epoll的概念及其重要性。 1.1 I/O多路复用的背景与需求 (...

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阅读前导：“I/O 多路复用”处于知识树中网络和操作系统的最后，因此本文默认读者有计算机网络和操作系统的基础。1. 引入：C10K 问题c10k 问题是指如何让一个服务器同时处理超过 10000 个客户端的连接，这是一个网络编程中的经典挑战。切入点是一个进程或线程一次只能维护一个链接，也就是一个进程...

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