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36 lines
2.2 KiB
Markdown
36 lines
2.2 KiB
Markdown
+++
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title = "Alerts"
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weight = 110
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# Grafana alerts
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Alerts allow you to learn about problems in your systems moments after they occur. Robust and actionable alerts help you identify and resolve issues quickly, minimizing disruption to your services.
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Grafana 8.0 introduced new and improved alerting that centralizes alerting information in a single, searchable view. It allows you to:
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- Create and manage Grafana alerts
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- Create and manage Cortex and Loki managed alerts
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- View alerting information from Prometheus and Alertmanager compatible data sources
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Grafana alerting is enabled by default for new OSS installations. For older installations, it is still an [opt-in]({{< relref "./unified-alerting/opt-in.md" >}}) feature.
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| Release | Cloud | Enterprise | OSS |
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| ------------------------ | ------------- | ------------- | -------------------------------- |
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| Grafana 8.2 | On by default | Opt-in | Opt-in |
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| Grafana 8.3 | On by default | Opt-in | On by default for new installs\* |
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| Grafana 9.0 (unreleased) | On by default | On by default | On by default |
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> **Note:** New installs include existing installs which do not have any alerts configured.
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Grafana alerting has four key components:
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- Alerting rule - Evaluation criteria that determine whether an alert will fire. It consists of one or more queries and expressions, a condition, the frequency of evaluation, and optionally, the duration over which the condition is met.
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- Contact point - Channel for sending notifications when the conditions of an alerting rule are met.
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- Notification policy - Set of matching and grouping criteria used to determine where and how frequently to send notifications.
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- Silences - Date and matching criteria used to silence notifications.
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To learn more, see [What's New with Grafana alerting]({{< relref "../alerting/unified-alerting/difference-old-new.md" >}}).
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For information on how to create and manage Grafana alerts and notifications, refer to [Overview of Grafana alerts]({{< relref "../alerting/unified-alerting/_index.md" >}}) and [Create and manage Grafana alerting rules]({{< relref "./unified-alerting/alerting-rules/_index.md" >}}).
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