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[release-11.5.3] Alerting docs: clarify No data/Error alerts skip pending period (#101867)

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Alerting docs: clarify `No data/Error` alerts skip pending period (#101431)

* Alerting docs: clarify `No data/Error` alerts skip pending period

* fix vale errors

(cherry picked from commit a800f87064)

Co-authored-by: Pepe Cano <825430+ppcano@users.noreply.github.com>
This commit is contained in:
grafana-delivery-bot[bot]
2025-03-10 11:53:34 +01:00
committed by GitHub
co-authored by Pepe Cano
parent 7abc79cb2e
commit dcb1180f28
2 changed files with 8 additions and 8 deletions
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docs/sources/alerting/fundamentals/alert-rule-evaluation/state-and-health.md
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@@ -68,7 +68,7 @@ Alert instances will be routed for [notifications](ref:notifications) when they
### `No Data` and `Error` alerts
When evaluation of an alert rule produces state `No Data` or `Error`, Grafana Alerting generates a new alert instance that have the following additional labels:
When an alert rule evaluation results in a `No Data` or `Error` state, Grafana Alerting immediately creates a new alert instance —skipping the pending period—with the following additional labels:
- `alertname`: Either `DatasourceNoData` or `DatasourceError` depending on the state.
- `datasource_uid`: The UID of the data source that caused the state.
docs/sources/shared/alerts/table-configure-no-data-and-error.md
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@@ -5,10 +5,10 @@ labels:
title: 'Table configure no data and error'
---
| Configure | Set alert state | Description |
| ---------------- | --------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| No Data | No Data | The default option for **No Data** events.<br/>Sets alert instance state to `No Data`. <br/> The alert rule also creates a new alert instance `DatasourceNoData` with the name and UID of the alert rule, and UID of the datasource that returned no data as labels. |
| Error | Error | The default option for **Error** events.<br/>Sets alert instance state to `Error`. <br/> The alert rule also creates a new alert instance `DatasourceError` with the name and UID of the alert rule, and UID of the datasource that returned no data as labels. |
| No Data or Error | Alerting | Sets the alert instance state to `Pending` and then transitions to `Alerting` once the pending period ends. If you sent the pending period to 0, the alert instance state is immediately set to `Alerting`. |
| No Data or Error | Normal | Sets alert instance state to `Normal`. |
| No Data or Error | Keep Last State | Maintains the alert instance in its last state. Useful for mitigating temporary issues. |
| Configure | Set alert state | Description |
| ---------------- | --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| No Data | No Data | The default option for **No Data** events.<br/>Sets alert instance state to `No Data`. <br/> The alert rule immediately creates a new `DatasourceNoData` alert instance after evaluation, with the alert rule's name, UID, and the data source UID as labels. |
| Error | Error | The default option for **Error** events.<br/>Sets alert instance state to `Error`. <br/> The alert rule immediately creates a new `DatasourceError` alert instance after evaluation, with the alert rule's name, UID, and the data source UID as labels. |
| No Data or Error | Alerting | Sets the alert instance state to `Pending` and then transitions to `Alerting` once the pending period ends. If you sent the pending period to 0, the alert instance state is immediately set to `Alerting`. |
| No Data or Error | Normal | Sets alert instance state to `Normal`. |
| No Data or Error | Keep Last State | Maintains the alert instance in its last state. Useful for mitigating temporary issues. |