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grafana/docs/sources/shared/alerts/table-configure-no-data-and-error.md
Pepe Cano a800f87064 Alerting docs: clarify No data/Error alerts skip pending period (#101431)
* Alerting docs: clarify `No data/Error` alerts skip pending period

* fix vale errors
2025-03-10 11:36:09 +01:00

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---
labels:
products:
- oss
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 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. |