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43 lines
2.1 KiB
Markdown
43 lines
2.1 KiB
Markdown
---
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canonical: https://grafana.com/docs/grafana/latest/alerting/fundamentals/alert-rules/
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description: About Grafana alert rules
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keywords:
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- grafana
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- alerting
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- rules
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labels:
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products:
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- cloud
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- enterprise
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- oss
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title: Alert rules
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weight: 130
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---
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# Alert rules
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An alert rule is a set of evaluation criteria for when an alert rule should fire. An alert rule consists of one or more queries and expressions, a condition, and the duration over which the condition needs to be met to start firing.
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While queries and expressions select the data set to evaluate, a condition sets the threshold that an alert must meet or exceed to create an alert.
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An interval specifies how frequently an alerting rule is evaluated. Duration, when configured, indicates how long a condition must be met. The alert rules can also define alerting behavior in the absence of data.
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- [Alert rule types][alert-rule-types]
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- [Alert instances][alert-instances]
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- [Organising alert rules][organising-alerts]
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- [Annotation and labels][annotation-label]
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{{% docs/reference %}}
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[alert-instances]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/alert-instances"
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[alert-instances]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/alert-instances"
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[alert-rule-types]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/alert-rule-types"
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[alert-rule-types]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/alert-rule-types"
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[annotation-label]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/annotation-label"
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[annotation-label]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/annotation-label"
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[organising-alerts]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/organising-alerts"
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[organising-alerts]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/organising-alerts"
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{{% /docs/reference %}}
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