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Grafana Cloud Enterprise Open source

Alert instances

Grafana managed alerts support multi-dimensional alerting. Each alert rule can create multiple alert instances. This is exceptionally powerful if you are observing multiple series in a single expression.

Consider the following PromQL expression:

sum by(cpu) (

A rule using this expression will create as many alert instances as the amount of CPUs we are observing after the first evaluation, allowing a single rule to report the status of each CPU.

A multi-dimensional Grafana managed alert rule
A multi-dimensional Grafana managed alert rule