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Operations and observability
Reliable operations depend on service ownership, runbooks, and signals tied to user-visible outcomes—not dashboards nobody trusts during an incident.
Golden signals and SLOs
We align latency, traffic, errors, and saturation with critical business paths. Alert rules are reviewed for false-positive rates; alerts without runbook entries are treated as incomplete.
Logging and tracing
Retention, sampling, and structured fields are chosen deliberately. PII is minimised or tokenised. Trace propagation respects security boundaries with third parties.
Backup, DR, and drills
RTO/RPO targets are written, restore drills are scheduled, and gaps are tracked like defects. On-call rotations and escalation paths are documented outside chat threads.