sys.dm_pdw_component_health_alerts (Transact-SQL)
Applies to:
Analytics Platform System (PDW)
Stores previously issued alerts on appliance components.
Column Name | Data Type | Description | Range |
---|---|---|---|
pdw_node_id | int | Unique identifier of a Analytics Platform System (PDW) 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 |
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 |
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 |
create_time | datetime | Time and date when the alert was generated. | NOT NULL |
See Also
Azure Synapse Analytics and Parallel Data Warehouse Dynamic Management Views (Transact-SQL)
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