March 2023
Beginner to intermediate
266 pages
4h 30m
Chinese
Content preview from FinOps云成本优化
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放过我，时间！
｜
41
图5-1 AWS CUR账单数据的样本行
理解这种复杂性，能让你在
FinOps
这条路上尝试一些非常酷炫的事情，比如当一些“小”
变化发生时，引入异常自动检测机制。之所以说是“小”变化，是因为云效率的反馈往
往会被多次削减。想象一下，公司每月在云计算的支出是
1 000 000
美元，一个团队在
集群上运行着
50
个计算实例却不使用，每日都将导致
5000
美元的浪费。考虑到两者在
规模上的差异，当回顾服务层级总结或每月汇总时，你甚至都不会注意到任何变化，然
而每月这两笔“小”金额加起来已经超出
150 000
美元，也就是每月总花费的
15%
。你
必须通过计算机学习，来分析数据的微小变化，以免造成巨额成本浪费。幸运的是，云
供应商通过提供账单数据详单，能够帮助你洞察用量变化，在小规模浪费变成无法挽回
的巨额成本之前解决这个问题。
放过我，时间！
20
世纪
90
年代，胡蒂和河豚（
Hootie and the Blowfish
）乐队发布了一首名为《时间》的歌曲，
他们歌颂着时间如何“带你展望明天及所有的痛苦与悲伤”“明天只是另一个今天……
我不相信时间”。
鉴于此，可以猜想胡蒂和河豚乐队大概率对
FinOps
不感兴趣，毕竟云计费的本质就是
时间问题。每笔费用都有时间限制，即使固定费率项目也会按每月或每年收费。而更常
见的情况往往是需要你支付每秒的计算费、每月储存费，以及某个查询完成所需时间而
产生的费用。
当然，此规则也有例外。无服务器与数据传输并非基于时间，而是基于用量。两者仍然
属于相同的用量 × 费率的计费模型。例如 ...
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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.