August 2019
Beginner to intermediate
232 pages
3h 50m
Chinese
Content preview from Web容量规划之美
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
149
第5 章
部署
一旦我们知道未来增长需要多少容量并采购了硬件之后，你需要将新的资源部署
到生产环境中。云平台环境中需要配置自动扩缩容（在第
6
章深入讨论），而在
数据中心（也可能是托管服务）环境中需要物理地安装硬件。
业界普遍认为部署是一件头疼的事。安装操作系统和应用软件，确保所有配置正
常运行，然后开始启动服务加载网站的数据。所有这些单调乏味的步骤都必须完
成以集成云服务中的新实例或者将新的硬件部署到数据中心的机架上。幸运的是，
痛苦地重复这些步骤也造就了一些完备的配套系统的诞生，软件自动安装和自动
配置工具如：
Vagrant
、
Chef
、
Puppet
、
Pallet
、
Ansible
和
CFEngine
注
1
。这类新工
具就是通常谈到的基于架构即代码或者可编程基础架构的工具。
注
1
：
本章的大部分内容由我在
Flickr
的同事
Kevin Murphy
编写。
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.