Tag
sre
Runbooks That Get Used at 3 a.m.: Structure, Triggers, and the Last Verified Step
Write runbooks an exhausted engineer can execute at 3 a.m.: symptom-based triggers, numbered verifiable steps, explicit stop conditions, and a maintenance loop.
Prometheus Metrics That Don't Explode: Cardinality, Naming, and the Queries You'll Actually Run
Design Prometheus metrics that stay queryable under load: naming, label discipline, histograms, and the PromQL for errors, latency, and saturation.
SLOs and Error Budgets a Small Team Can Actually Run
Build a lean SLO practice for a small team: pick few user-facing SLIs, set defensible targets, add burn-rate alerts, and enforce an error budget policy.
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