beginnertermTools and workflowTools and workflow / Monitoring and reliability / On-Call
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On-Call

A rotation schedule assigning engineers to respond immediately to critical system alerts outside standard hours.

Definition

A rotation schedule assigning engineers to respond immediately to critical system alerts outside standard hours.

Use case

Receiving a 2 AM PagerDuty call to address a production server outage.

Related terms

Books

Being on call

Google SRE · Book · link checked 2026-10-16

Rotations, pages and sustainable alert load, from people who live it.

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