Burn rate is how fast, relative to the [[Service level objective|SLO]], the service consumes the [[Error budget]]. That means that you know if something is important to fix. Alerting based on multiple burn rates is a powerful way to implement SLO-based alerting. If you set SLOs that are meaningful, understood, and represented in metrics, you can configure alerting to notify an [[On-call|on-caller]] only when there are actionable, specific threats to the error budget.