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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330
｜
第
13
章
总结
Spotify
的事件交付系统历经多年不断的发展。由于之前的迭代不太可靠，我们的工
程师每隔几晚都会收到告警。我们将大部分的开发时间用于事故补救和事后总结。
在设计当前的版本时，我们专注于构建一个模块化的系统，它可以很好地完成一项
核心任务：交付事件。此外，我们希望将事件交付作为产品提供给
Spotify
的其余部门。
为实现这一目标，我们需要定义并恪守
SLO
，以便为客户设定明确的期望值。
我们采用一系列保持服务的正常运行的策略，从详细记录的
on-call
程序，到使用经
过验证的外部服务（例如
Google Cloud Pub/Sub
）。此外，我们安排了一个独立的团
队负责系统在整个生命周期内的开发和运维。这种开发结构使我们能够，利用在运
维系统中获得的团队经验来对系统进行持续的改进。
通过这些努力，我们现在拥有了一个可靠的系统，使我们能够将时间集中在满足更
加激进的完整性、偏斜度和及时性的
SLO
上。这样不仅可以提高可用性，同时还可
以整体的改善客户体验。
小结
将
SRE
的最佳实践应用于流水线，它不仅会帮助你做出更明智的设计决策，还会督
促你开发自动化工具，这样流水线就会易于运维、更有效地缩放，并且更加的可靠。
Spotify
的事件交付系统是一个参照着
SRE
的核心原则，而构建和运行的流水线应用
示例，它选择使用了各种来自内部、
Google
云和第三方的技术，来满足客户对于及
时数据处理的需求。如果没有关注到运维的最佳实践，流水线可能更容易出现故障，
并需要大量的手动工作，尤其是在扩展、迁移、功能启用或故障后清理的过程中 ...
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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.