sys.dm_resource_governor_configuration (Transact-SQL)
Applies to: 
SQL Server
Returns a row that contains the current in-memory configuration state of Resource Governor.
| Column name | Data type | Description |
|---|---|---|
| classifier_function_id | int | The ID of the classifier function that is currently used by Resource Governor. Returns a value of 0 if no function is being used. Is not nullable. Note: This function is used to classify new requests and uses rules to route these requests to the appropriate workload group. For more information, see Resource Governor. |
| is_reconfiguration_pending | bit | Indicates whether or not changes to a group or pool were made with the ALTER RESOURCE GOVERNOR RECONFIGURE statement but have not been applied to the in-memory configuration. The value returned is one of: 0 - A reconfiguration statement is not required. 1 - A reconfiguration statement or server restart is required in order for pending configuration changes to be applied. Note: The value returned is always 0 when Resource Governor is disabled. Is not nullable. |
| max_outstanding_io_per_volume | int | Applies to: SQL Server 2014 (12.x) and later. The maximum number of outstanding I/O per volume. |
Remarks
This dynamic management view shows the in-memory configuration. To see the stored configuration metadata, use the corresponding catalog view.
The following example shows how to get and compare the stored metadata values and the in-memory values of the Resource Governor configuration.
USE master;
go
-- Get the stored metadata.
SELECT
object_schema_name(classifier_function_id) AS 'Classifier UDF schema in metadata',
object_name(classifier_function_id) AS 'Classifier UDF name in metadata'
FROM
sys.resource_governor_configuration;
go
-- Get the in-memory configuration.
SELECT
object_schema_name(classifier_function_id) AS 'Active classifier UDF schema',
object_name(classifier_function_id) AS 'Active classifier UDF name'
FROM
sys.dm_resource_governor_configuration;
go
Permissions
Requires VIEW SERVER STATE permission.
Permissions for SQL Server 2022 and later
Requires VIEW SERVER PERFORMANCE STATE permission on the server.
See also
Dynamic Management Views and Functions (Transact-SQL)
sys.resource_governor_configuration (Transact-SQL)
Resource Governor