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.


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;  
-- Get the stored metadata.  
object_schema_name(classifier_function_id) AS 'Classifier UDF schema in metadata',   
object_name(classifier_function_id) AS 'Classifier UDF name in metadata'  
-- Get the in-memory configuration.  
object_schema_name(classifier_function_id) AS 'Active classifier UDF schema',   
object_name(classifier_function_id) AS 'Active classifier UDF name'  


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