September 2020
Intermediate to advanced
526 pages
8h 23m
Chinese
book
Google SRE工作手册
by Betsy Beyer, Niall Richard Murphy, David K. Rensin, Kent Kawahara, Stephen Thorne
Content preview from Google SRE工作手册
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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.
消除琐事
｜
119
•
减少人为错误导致的宕机。
•
提高安全性。
•
更短的用户请求响应时间。
那么我们建议如何度量琐事？
1.
识别它。第一本
SRE
书的第
5
章中提供了识别琐事的行动参考指南。识别琐事
的最佳人选因不同的组织而异。理想情况下，他们应该是利益干系人，还包括那
些一线工作人员。
2.
选择用于度量琐事的人员工作量的合适单位。分钟和小时是一种自然的选项，由
于它们是客观的、容易理解的。我们务必要考虑到上下文切换的成本。对于那些
分散的或碎片化的工作量，可能应该归类到一个另外的更适合的类别。我们要列
出一些度量单位的应用示例，包括打补丁、关闭工单、手工生产变更、可预测的
电子邮件处理或者硬件操作。只要这个度量单位是客观、一致且易于理解的，它
就可以作为工作量的度量标准。
3.
我们在消减琐事的之前、期间和事后持续地跟踪度量指标。使用工具或脚本简化
度量的流程，从而使采集这些度量指标的工作并不产生附加的琐事！
琐事分类法
琐事，就像一座摇摇欲坠的桥梁或一座漏水的大坝，它隐藏在日复一日的平淡无奇
的工作中。本节并不能枚举出所有的类别，但它们展现了那些常见的工作类别。这
些类别中的许多工作貌似“正常”的工程工作，但它们其实不是。将琐事的分类视
为光谱分布，比用二元分类法更有助于理解它们。
业务流程
这可能是最常见的琐事来源。你的团队可能管理着一些计算资源，计算、存储、网
络、负载均衡器、数据库等，以及提供这些资源所需要的硬件。你的工作是负责处
理新用户注册、配置他们的计算机并加固其安全性、执行软件更新，或者为调节集
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and much more.
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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.