Run a Small Game Day
Design a low-risk game day with hypothesis, guardrails, observations, and follow-up actions.
The team believes regional failover works, but the runbook and alerts have not been tested since the last database upgrade. Game day: hypothesis, scope, guardrails, observation, action items. A vague chaos test can create risk without learning because nobody knows what success or abort looks like. Confidence is based on architecture diagrams and memory. Confidence is based on a controlled exercise with measured detection, response, and follow-up gaps. 1 Write the hypothesis. Example: If one worker pool drains, autoscaling restores capacity within 10 minutes without SLO burn. 2 Set guardrails and abort conditions. Run off-peak, cap blast radius, and stop…
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