What happens when the error budget is exhausted?

Policy varies by organization. Common responses include freezing all non-emergency deployments, requiring SRE approval for changes, shifting engineering focus from features to reliability work, and triggering a formal incident review. AI agents automate these policy responses based on remaining budget and burn rate.

Error Budget

Written by Max Zeshut

Founder at Agentmelt

The maximum amount of downtime or errors a service can accumulate within a measurement period before breaching its SLA. Derived from the SLA target—a 99.9% uptime SLA allows 43.8 minutes of downtime per month as the error budget. AI operations agents track error budget consumption in real time, predict when the budget will be exhausted at the current burn rate, and trigger protective actions (freezing deployments, scaling infrastructure) before a breach occurs. Error budgets turn reliability from a binary 'up or down' question into a measurable, manageable resource.

Пример

A SaaS platform with a 99.95% uptime SLA has a monthly error budget of 21.9 minutes. On the 15th of the month, the AI agent reports that 18 minutes have been consumed due to two incidents. It automatically freezes non-critical deployments and alerts the SRE team that only 3.9 minutes remain—preventing a breach that would have triggered a 5% service credit.

Часто задаваемые вопросы

What happens when the error budget is exhausted?: Policy varies by organization. Common responses include freezing all non-emergency deployments, requiring SRE approval for changes, shifting engineering focus from features to reliability work, and triggering a formal incident review. AI agents automate these policy responses based on remaining budget and burn rate.

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