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sys.dm_resource_governor_configuration (Transact-SQL)

Returns a row that contains the current in-memory configuration state of Resource Governor.

Applies to: SQL Server (SQL Server 2008 through current version).

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 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 Note

The value returned is always 0 when Resource Governor is disabled.

Is not nullable.

max_outstanding_io_per_volume

int

The maximum number of outstanding I/O per volume.

Applies to: SQL Server 2014 through SQL Server 2014.

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

Requires VIEW SERVER STATE permission.

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