Mental Models for SREs
summary
Connects specific cognitive errors to concrete SRE practices: WWII plane bullet‑hole analysis illustrates survivorship bias; a production outage shows availability was mismeasured because missing requests never hit the entry point; a 100‑heads coin example highlights the Ludic fallacy. Recommends actionable tactics — run fault injection and pre‑mortems (inversion), add checklists, limit choices to reduce decision fatigue, and keep backward compatibility (healthcare.gov login cap cited). Emphasizes self‑reflection, practice, team diversity and hiring unconventional skill sets.
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