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- # Chapter 10 - 15 of Site Reliability Engineering
- ## Possible discussion topics:
- - Thoughts on this recommendation: Being on-call should strike a balance between quantity (percent of time spent doing on-call activities) and the quality (number of incidents that occurred while on-call).
- - Quantity: Spend at least 50% of time doing engineering, no more that 25% of remainder should be on-call
- - Quality: If too many incidents occur on a given on-call shift, the SRE will not have time to properly perform the incident response responsibilities such as: root-cause analysis, remediation, and follow-up activities like writing a postmortem and fixing bugs. Google found these activities take ~6 hours on average, so there is a max of 2 incidents per 12 hour shift of on-call.
- - One Emergency Response recommendation was to intentionally break your systems to see if they fail in the way you expect.
- - Anyone want to share experiences of doing this at Pivotal?
- - How can we build a stronger post-mortem culture?
- - One suggestion: "In a monthly newsletter, an interesting and well-written postmortem is shared with the entire organization."
- - Does CF keep a list canonical list of past incidents?
- - Should engineering teams be required to review this list?
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