Glossary
On-Call
A rotation where engineers are available outside normal hours to respond to incidents.
On-call refers to a schedule where engineers take turns being the first responder for production incidents during off-hours, nights, and weekends. On-call engineers are paged when alerts trigger and are expected to respond within a defined SLA. Healthy on-call practices include rotating schedules, escalation policies, and investing in reducing alert fatigue through better monitoring.
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