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28 lines
1.6 KiB
Markdown
28 lines
1.6 KiB
Markdown
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title = "Alert groups"
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description = "Alert groups"
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keywords = ["grafana", "alerting", "alerts", "groups"]
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weight = 400
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# View alert groups
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Alert groups shows grouped alerts from an alertmanager instance. Alertmanager will group alerts based on common label values. This prevents duplicate alerts from being fired by grouping common alerts into a single alert group. By default, the alerts are grouped by the label keys for the root policy in [notification policies]({{< relref "./notification-policies.md" >}}).
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## Show alert groups for an external Alertmanager
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Grafana alerting UI supports alert groups from external Alertmanager data sources. Once you add an [Alertmanager data source]({{< relref "../../datasources/alertmanager.md" >}}), a dropdown displays at the top of the page where you can select either `Grafana` or an external Alertmanager as your data source.
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## View different alert groupings
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To view a grouping other than the default use the **custom group by** dropdown to select combinations of labels to group alerts by. This is useful for debugging and verifying your notification policies grouping.
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If an alert does not contain labels specified in the grouping of the route policy or the custom grouping it will be added to a catch all group with a header of `No grouping`.
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## Filter alerts
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You can use the following filters to view only alerts that match specific criteria:
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- **Filter alerts by label -** Search by alert labels using label selectors in the **Search** input. eg: `environment=production,region=~US|EU,severity!=warning`
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- **Filter alerts by state -** In **States** Select which alert states you want to see. All others are hidden.
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