| title | sys.dm_pdw_component_health_active_alerts (Transact-SQL |
|---|---|
| ms.custom | seo-dt-2019 |
| ms.date | 03/07/2017 |
| ms.prod | sql |
| ms.technology | data-warehouse |
| ms.reviewer | |
| ms.topic | conceptual |
| ms.assetid | c53e4a36-b841-424a-b8e2-255b1878deb6 |
| author | stevestein |
| ms.author | sstein |
| monikerRange | >= aps-pdw-2016 || = sqlallproducts-allversions |
[!INCLUDEtsql-appliesto-xxxxxx-xxxx-xxxx-pdw-md]
Stores active alerts on [!INCLUDEssPDW] components.
| Column Name | Data Type | Description | Range |
|---|---|---|---|
| pdw_node_id | int | Unique identifier of a [!INCLUDEssPDW] node. pdw_node_id, component_id, component_instance_id, alert_id, and alert_instance_id form the key for this view. |
NOT NULL |
| component_id | int | The ID of the component. See sys.pdw_health_components (Transact-SQL). pdw_node_id, component_id, component_instance_id, alert_id, and alert_instance_id form the key for this view. |
NOT NULL |
| component_instance_id | nvarchar(255) | pdw_node_id, component_id, component_instance_id, alert_id, and alert_instance_id form the key for this view. | NOT NULL |
| alert_id | int | The ID for the alert type. See sys.pdw_health_alerts (Transact-SQL). pdw_node_id, component_id, component_instance_id, alert_id, and alert_instance_id form the key for this view. |
NOT NULL |
| alert_instance_id | nvarchar(36) | Identifies an instance of a given alert. pdw_node_id, component_id, component_instance_id, alert_id, and alert_instance_id form the key for this view. |
NOT NULL |
| current_value | nvarchar(255) | Used when the alert is of type StatusChange. This is the current component status. Value is NULL for alerts of type Threshold. See sys.pdw_health_alerts (Transact-SQL) for a list of alert types. | NULL |
| previous_value | nvarchar(255) | Used when the alert is of type StatusChange. This is the previous component status. Value is NULL for alerts of type Threshold. See sys.pdw_health_alerts (Transact-SQL) for a list of alert types. | NULL |
| create_time | datetime | Time and date when the alert was generated. | NOT NULL |
For information about the maximum rows retained by this view, see "Minimum and Maximum Values" in the [!INCLUDEpdw-product-documentation].
SQL Data Warehouse and Parallel Data Warehouse Dynamic Management Views (Transact-SQL)