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Fishbone (Ishikawa) templates

Fishbone — site outage

Reliability framing for a Tier-1 outage retrospective.

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What caused the 38-minute outage?Tier-1 outageCodeBad config pushMemory leakCapacityAuto-scaler maxedDB connection capDependenciesUpstream DNS flapStripe degradedToolingSlow rollbackDashboard downProcessNo runbookOn-call alone

Make it your own.

title "What caused the 38-minute outage?"
problem "Tier-1 outage"
category "Code"
  cause "Bad config push"
  cause "Memory leak"
category "Capacity"
  cause "Auto-scaler maxed"
  cause "DB connection cap"
category "Dependencies"
  cause "Upstream DNS flap"
  cause "Stripe degraded"
category "Tooling"
  cause "Slow rollback"
  cause "Dashboard down"
category "Process"
  cause "No runbook"
  cause "On-call alone"