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Ship & Operate

Incident Postmortem

A postmortem people tell the truth in. Blameless, specific and honest about luck.

What’s inside

  • Summary and impact. What happened, for how long, and who was affected.
  • Timeline and root cause. Timestamped events, the technical cause and the contributing factors.
  • What went well and wrong. What limited the damage and what made it worse.
  • Where we got lucky. What could have been worse but for chance.
  • Actions and lessons. Owned, dated actions and lessons that apply beyond this incident.

How to use it

  1. Describe the system, not the person.
  2. Build the timeline from logs and chat, not memory.
  3. Fill in Where we got lucky honestly.
  4. Give every action one owner and a due date.

USE NEXT

Lessons Learned

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