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grafana/docs/sources/alerting/fundamentals/alert-rules/_index.md

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---
description: About Grafana alert rules
keywords:
- grafana
- alerting
- rules
Explicitly set all front matter labels in the source files (#71548) * Set every page to have defaults of 'Enterprise' and 'Open source' labels Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration pages to have of 'Cloud', 'Enterprise', and 'Open source' labels Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration/enterprise-licensing pages to have 'Enterprise' labels Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration/organization-management pages to have 'Enterprise' and 'Open source' labels Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration/provisioning pages to have 'Enterprise' and 'Open source' labels Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration/recorded-queries pages to have labels cloud,enterprise * Set administration/roles-and-permissions/access-control pages to have labels cloud,enterprise Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set administration/stats-and-license pages to have labels cloud,enterprise * Set alerting pages to have labels cloud,enterprise,oss * Set breaking-changes pages to have labels cloud,enterprise,oss * Set dashboards pages to have labels cloud,enterprise,oss * Set datasources pages to have labels cloud,enterprise,oss * Set explore pages to have labels cloud,enterprise,oss * Set fundamentals pages to have labels cloud,enterprise,oss * Set introduction/grafana-cloud pages to have labels cloud Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Fix introduction pages products Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set panels-visualizations pages to have labels cloud,enterprise,oss * Set release-notes pages to have labels cloud,enterprise,oss * Set search pages to have labels cloud,enterprise,oss * Set setup-grafana/configure-security/audit-grafana pages to have labels cloud,enterprise Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set setup-grafana/configure-security/configure-authentication pages to have labels cloud,enterprise,oss * Set setup-grafana/configure-security/configure-authentication/enhanced-ldap pages to have labels cloud,enterprise * Set setup-grafana/configure-security/configure-authentication/saml pages to have labels cloud,enterprise * Set setup-grafana/configure-security/configure-database-encryption/encrypt-secrets-using-hashicorp-key-vault pages to have labels cloud,enterprise * Set setup-grafana/configure-security/configure-request-security pages to have labels cloud,enterprise,oss Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set setup-grafana/configure-security/configure-team-sync pages to have labels cloud,enterprise Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set setup-grafana/configure-security/export-logs pages to have labels cloud,enterprise Signed-off-by: Jack Baldry <jack.baldry@grafana.com> * Set troubleshooting pages to have labels cloud,enterprise,oss * Set whatsnew pages to have labels cloud,enterprise,oss * Apply updated labels from review Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com> Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com> --------- Signed-off-by: Jack Baldry <jack.baldry@grafana.com> Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com> Co-authored-by: Isabel <76437239+imatwawana@users.noreply.github.com>
2 years ago
labels:
products:
- cloud
- enterprise
- oss
title: Alert rules
weight: 105
---
# Alert rules
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.
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.
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.
- [Alert rule types][alert-rule-types]
- [Alert instances][alert-instances]
- [Organising alert rules][organising-alerts]
- [Annotation and labels][annotation-label]
{{% docs/reference %}}
[alert-instances]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/alert-instances"
[alert-instances]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/alert-instances"
[alert-rule-types]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/alert-rule-types"
[alert-rule-types]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/alert-rule-types"
[annotation-label]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/annotation-label"
[annotation-label]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/annotation-label"
[organising-alerts]: "/docs/grafana/ -> /docs/grafana/<GRAFANA VERSION>/alerting/fundamentals/alert-rules/organising-alerts"
[organising-alerts]: "/docs/grafana-cloud/ -> /docs/grafana-cloud/alerting-and-irm/alerting/fundamentals/alert-rules/organising-alerts"
{{% /docs/reference %}}