Show Table of Contents
第 8 章 NUMA
8.1. 简介
过去,x86 系统中的所有内存都可以通过 CPU 进行同等访问。无论任何 CPU 执行操作,访问时间都相等,这也被称为“统一内存访问”(UMA,Uniform Memory Access)。
最近使用的 x86 处理器已经不再采取这一行为。在非统一内存访问(NUMA,Non-Uniform Memory Access)中,系统内存被划分到 NUMA 节点(node),并且与 socket 相对应,或与特定某一组与本地系统内存子集具有相同访问延迟的 CPU 相对应。
本章节描述了虚拟环境中的内存分配和 NUMA 调试配置。

Where did the comment section go?
Red Hat's documentation publication system recently went through an upgrade to enable speedier, more mobile-friendly content. We decided to re-evaluate our commenting platform to ensure that it meets your expectations and serves as an optimal feedback mechanism. During this redesign, we invite your input on providing feedback on Red Hat documentation via the discussion platform.