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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389
第
17
章
发现运维超负荷并从中恢复
作者：
Maria-Hendrike Peetz, Luis Quesada Torres, Marilia Melo
和
Diane Bates
当
SRE
团队平稳运行时，团队成员应该可以感觉到自己能轻松地处理所有工作。他
们应当不仅能从容地处理工单，而且仍有时间花在长期的项目上。这些长期的项目
一旦完成，管理服务将会变得更加容易。
但是有些情况会影响团队的工作目标。团队成员可能因长期生病请假，也可能打算
转换其他新的团队；组织可能会给
SRE
分配新的生产项目；对服务或更大系统的变
更可能会带来新的技术挑战。随着工作量的增加，团队成员开始在处理工单和告警
上花费更长的时间，而用在工程工作上的时间就变少了。整个团队在努力工作的同时，
开始感到压力和沮丧，而无法感觉到自己正在取得的进步。反过来，压力会使人们
犯更多错误，从而影响可靠性，并且最后影响到最终用户。简而言之，团队失去了
调控日常工作和有效管理服务的能力。
此时，团队需要找到一个摆脱这种超负荷状态的方法。他们需要重新平衡工作量，
以便团队成员可以专注于必需的工程工作。
运维负荷（或运维工作负荷）是一个术语，用于描述正在进行的运维任务，通过这
些任务，系统和服务得以在最佳性能下持续运行。有三种不同类型的运维负荷：告警、
工单和当前手头的运维职责。告警通常需要予以立即关注，与紧急问题相关的工单
也会有紧迫的期限。告警和紧急工单都会中断
SRE
开发支撑团队运维职责的工程项
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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.