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Alerting: Support Unified Alerting with Grafana HA (#37920) (#39342)

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* Alerting: Support Unified Alerting in Grafana's HA mode.

(cherry picked from commit 7db97097c9)

Co-authored-by: gotjosh <josue@grafana.com>
This commit is contained in:
Grot (@grafanabot)
2021-09-17 13:23:51 +01:00
committed by GitHub
co-authored by gotjosh
parent 499b1f4ff2
commit 8a369feb63
25 changed files with 6377 additions and 79 deletions
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docs/sources/administration/configuration.md
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@@ -1119,9 +1119,51 @@ Sets a global limit on number of alert rules that can be created. Default is -1
For more information about the Grafana 8 alerts, refer to [Unified Alerting]({{< relref "../alerting/unified-alerting/_index.md" >}}).
### admin_config_poll_interval_seconds
### admin_config_poll_interval
Specify the frequency of polling for admin config changes. The default value is `60`.
Specify the frequency of polling for admin config changes. The default value is `60s`.
The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
### alertmanager_config_poll_interval
Specify the frequency of polling for Alertmanager config changes. The default value is `60s`.
The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
### ha_listen_address
Listen address/hostname and port to receive unified alerting messages for other Grafana instances. The port is used for both TCP and UDP. It is assumed other Grafana instances are also running on the same port. The default value is `0.0.0.0:9094`.
### ha_advertise_address
Explicit address/hostname and port to advertise other Grafana instances. The port is used for both TCP and UDP.
### ha_peers
Comma-separated list of initial instances (in a format of host:port) that will form the HA cluster. Configuring this setting will enable High Availability mode for alerting.
### ha_peer_timeout
Time to wait for an instance to send a notification via the Alertmanager. In HA, each Grafana instance will
be assigned a position (e.g. 0, 1). We then multiply this position with the timeout to indicate how long should
each instance wait before sending the notification to take into account replication lag. The default value is `15s`.
The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
### ha_gossip_interval
The interval between sending gossip messages. By lowering this value (more frequent) gossip messages are propagated
across cluster more quickly at the expense of increased bandwidth usage. The default value is `200ms`.
The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
### ha_push_pull_interval
The interval between gossip full state syncs. Setting this interval lower (more frequent) will increase convergence speeds
across larger clusters at the expense of increased bandwidth usage. The default value is `60s`.
The interval string is a possibly signed sequence of decimal numbers, followed by a unit suffix (ms, s, m, h, d), e.g. 30s or 1m.
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