March 2023
Beginner to intermediate
266 pages
4h 30m
Chinese
Content preview from FinOps云成本优化
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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.
151
第 14 章
RI
和
CUD
策略
现在，你理解了上一章关于预留（
Reservations
）的基本概念，接下来，尝试询问自己几
个困难但是重要的问题 ：
●
应该预留多少？
●
应该预留什么？
●
什么时候预留？
●
整个流程涉及的人员角色有哪些？
●
如何知道你的
RI
（预留实例）和
CUD
是否被充分利用？
●
如何知道何时再购买它们？
●
谁来支付这些费用？
●
如何给这些预留的项目分配成本和节省的金额？
不幸的是，以上这些问题都没有明确的答案
—
只在特定公司的特定时间下，才有对应
的答案。即使有了答案，答案也会随着环境的变化不断更新。例如 ：随着云服务提供商
更新其不断变化的承诺模型，以及你公司的现金储备发生变化。
常见的错误
我们看到，一些公司在购买
RI
和
CUD
时会犯许多错误。这些错误主要如下，但没有特
别的顺序 ：
●
购买
RI
拖延太久。
●
购买时过于保守。
●
购买时只参考单一实例的数量，而不参考基准线。
●
在购买完
RI
和
CUD
后，并没有有效的管理制度。
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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.