Grot (@grafanabot)
094223d854
* Enable doc-validator for alerting directories (#68964)
* Enable doc-validator for alerting directories
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
* Adds missing description frontmatter
* Fix some more links
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
* Fix some more links
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
* Fixes anchors
---------
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: brendamuir <100768211+brendamuir@users.noreply.github.com>
(cherry picked from commit 6c4cf4f8b9)
* Fix doc-validator anchor error
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
---------
Signed-off-by: Jack Baldry <jack.baldry@grafana.com>
Co-authored-by: Jack Baldry <jack.baldry@grafana.com>
1.5 KiB
aliases, description, keywords, title, weight
| aliases | description | keywords | title | weight | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
High availability |
|
Alerting high availability | 430 |
Alerting high availability
The Grafana Alerting system has two main components: a Scheduler and an internal Alertmanager. The Scheduler evaluates your alert rules, while the internal Alertmanager manages routing and grouping.
When running Grafana Alerting in high availability, the operational mode of the scheduler remains unaffected, and each Grafana instance evaluates all alerts. The operational change happens in the Alertmanager when it deduplicates alert notifications across Grafana instances.
{{< figure src="/static/img/docs/alerting/unified/high-availability-ua.png" class="docs-image--no-shadow" max-width= "750px" caption="High availability" >}}
The coordination between Grafana instances happens via a Gossip protocol. Alerts are not gossiped between instances and each scheduler delivers the same volume of alerts to each Alertmanager.
The two types of messages gossiped between Grafana instances are:
- Notification logs: Who (which instance) notified what (which alert).
- Silences: If an alert should fire or not.
The notification logs and silences are persisted in the database periodically and during a graceful Grafana shut down.
Useful links
[Configure alerting high availability]({{< relref "../../set-up/configure-high-availability" >}})