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Alerting: new min_interval_seconds options to enforce a minimum eval frequency (#21188)

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* add min_interval_seconds setting to alerting config

It will let operator enforce a minimum time for the scheduler to enqueue evaluations

* Introduce UI modifications

* Update docs

Co-authored-by: Martin <uepoch@users.noreply.github.com>
This commit is contained in:
Sofia Papagiannaki
2020-01-14 11:13:34 +02:00
committed by GitHub
parent 6b3041d358
commit d135f1229d
10 changed files with 56 additions and 2 deletions
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1
docs/sources/alerting/rules.md
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@@ -45,6 +45,7 @@ Currently only the graph panel supports alert rules.
### Name and Evaluation interval
Here you can specify the name of the alert rule and how often the scheduler should evaluate the alert rule.
**Note:** You can set a minimum interval in the `alerting.min_interval_seconds` config field, to set a minimum time between evaluations. Check out the [[configuration]]({{< relref "../installation/configuration.md" >}}#min-interval-seconds) page for more information.
### For

6
docs/sources/installation/configuration.md
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@@ -722,6 +722,12 @@ Default setting for alert notification timeout. Default value is `30`
Default setting for max attempts to sending alert notifications. Default value is `3`
### min_interval_seconds
Default setting for minimum interval between rule evaluations. Default value is `1`
> **Note.** This setting has precedence over each individual rule frequency. Therefore, if a rule frequency is lower than this value, this value will be enforced.
## [rendering]
Options to configure a remote HTTP image rendering service, e.g. using https://github.com/grafana/grafana-image-renderer.