This is what the `group_by` feature in the alertmanager routing is for.

https://prometheus.io/docs/alerting/latest/configuration/#route

On Wed, May 24, 2023 at 11:33 AM Mario Cornaccini <[email protected]>
wrote:

> hi, we got a custom made exporter, checking for running linux processes..
>
> i got 1 scrape job with 27 targets;
> also there is a general alert rule:
> expr: up==0
>
> so, when the exporter crashed, we got 27 alerts.
>
> is there a way or best-practice to detect that the exporter crashed, and
> inhibit the 27 alerts, and just have one alert, exporter crashed ?
>
> (happy to give any more info if needed)
> cheers, fil
>
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