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PROFESSIONAL-CLOUD-ARCHITECT · Question #374

Your company runs a critical, revenue-generating ecommerce application that is served by a regional managed instance group (MIG) behind an external HTTP(S) Load Balancer. The operations team is…

The correct answer is C. Implement an error budget policy based on the availability of the SLO. Create a "page" alert that. An error-budget-based alert tied directly to the availability SLO ensures the team is notified only when user-visible reliability is at risk. Alerting on error budget burn rate focuses on actionable incidents that threaten the 99.9% availability target, dramatically reducing…

Submitted by marco_it· Mar 30, 2026Ensuring solution and operations reliability

Question

Your company runs a critical, revenue-generating ecommerce application that is served by a regional managed instance group (MIG) behind an external HTTP(S) Load Balancer. The operations team is currently overwhelmed with low-priority notifications and is starting to ignore alerts. Your team's service level objective (SLO) is to maintain 99.9% availability, which is measured by the ratio of successful requests (2xx status codes) to total requests. You want to minimize noise from non-critical events and ensure that the team is only notified of issues that are actionable and threaten the SLO. What should you do?

Options

  • AFocus on cause-based alerts, creating alerting policies with thresholds for the Compute Engine
  • BCreate log-based alerts for only the WARN and ERROR log entries generated by the application
  • CImplement an error budget policy based on the availability of the SLO. Create a "page" alert that
  • DConfigure alerts based on predictive metrics. Use the instance count of the MIG as the primary

How the community answered

(22 responses)
  • A
    5% (1)
  • B
    23% (5)
  • C
    64% (14)
  • D
    9% (2)

Explanation

An error-budget-based alert tied directly to the availability SLO ensures the team is notified only when user-visible reliability is at risk. Alerting on error budget burn rate focuses on actionable incidents that threaten the 99.9% availability target, dramatically reducing alert noise compared to infrastructure or log-based signals that may not impact the SLO.

Topics

#SLO#error budget#alerting policies#Cloud Monitoring

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