March 2023
Beginner to intermediate
266 pages
4h 30m
Chinese
Content preview from FinOps云成本优化
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128
｜
第
12
章
减少支出：费率优化
基于时间
当一个资源在运行了一定时间后以较低的费率收费时，它被称为基于时间的批量折扣。
这种折扣类型的一个很好的例子是
GCP
提供的持续使用折扣
(SUD)
，使用的时间越长，
收取的费用就越低。一些基于时间的折扣适用于特定的资源，并在资源被删除后立即停
止，而另一些则匹配资源使用类型，可以在一段时间内应用于多个资源。注意，基于时
间的批量折扣并不是同时运行的资源的时间合并。例如，
100
个运行在同一小时的资源
并不等于一个运行
100
小时的资源。
在图
12-2
中，你可以看到基于时间的批量折扣是如何工作的。在第一个小时，使用了
10
个资源，然后依次启动
10
个单独的批量折扣计数器。让我们假设使用前
5
小时的成
本是按第一级的价格收取的，然后按第二级的价格收取。与基于使用量的场景相比，重
要的变化是批量折扣适用于
x
轴（时间），所以即使你在第一个小时内拥有
10
个资源，
它们也是按
Tier 1
的价格收费的。随着使用时间不断增加，根据资源的时间累积使用量
启动和停止
10
个计时器。
图12-2 基于使用时间的批量折扣
在上图中，运行
5
小时后的资源
1
会使用第二级的价格。然而，对于资源
6
，随着时间
的推移，它需要花费
8
小时才能达到第二级的定价。
协议费率
在某些情况下，你可以与云服务提供商和销售部门谈判，以获得更好的价格。
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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.
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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.