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Web容量规划之美
book

Web容量规划之美

by Arun Kejariwal, John Allspaw
August 2019
Beginner to intermediate
232 pages
3h 50m
Chinese
China Electric Power Press Ltd.
Content preview from Web容量规划之美
5
前言
常棒的学习他人经验的资源。有关系统、工具、基准优化和方法学等这类主题的
论文已经发表。为此,第二版中的两个新的关键亮点是每章结尾的“延展阅读”
和“参考资料”部分。如果你想深入讨论某个特定的主题,这些章节提供了丰富
的信息来源。
本书的重点和主题
本书不是关于如何构建复杂的模型和仿真的,也不是关于耗费大量时间来反复运
行基准测试的。本书也不是关于利特尔法则
译注
2
、马尔可夫链
1
或泊松到达率这
样的数学原理的。
这本书介绍如何在实际工作中切实有效地开展容量规划和管理。本书还会介绍实
际工具的使用,以及如何调整这些工具的功能以适应网站的发展。当在高速路上
车辆爆胎时,你可能会花大量时间努力找出爆胎的原因,你也可能会直接安装备胎,
然后重新上路。这就是我们正在应用的容量计划方法——自适应法,而非理论上的。
请记住,本书中有大量信息看起来很像常识,这是一件好事。通常,解决问题最
简单的方法往往是最好的方法,容量规划也不例外。本书涵盖了不断增长的网站
的容量规划过程,包括测量、采购和部署。我们将介绍一些久经考验且受欢迎的
测量工具和技术。为此,我们会确保工具和技术的平台无关性。
当然,数据库、
Web
服务器、缓存服务器和存储解决方案等方面的细节内容已经
超出了本书范围。我们将使用实例来说明每个相关过程和概念。这样做是为了能
1
利特尔法则(
Little's law
)由麻省理工大学斯隆商学院(
MIT Sloan School of
Management
)的教授
John Little
1961
年提出并加以证明。它是一个有关提前期与 ...
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Publisher Resources

ISBN: 9787519831073