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sys-dm-resource-governor-external-resource-pool-affinity-transact-sql.md

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title description author ms.author ms.date ms.service ms.subservice ms.topic f1_keywords helpviewer_keywords dev_langs
sys.dm_resource_governor_external_resource_pool_affinity (Transact-SQL)
sys.dm_resource_governor_external_resource_pool_affinity (Transact-SQL)
rwestMSFT
randolphwest
02/27/2023
sql
system-objects
reference
sys.dm_resource_governor_external_resource_pool_affinity
sys.dm_resource_governor_external_resource_pool_affinity_TSQL
dm_resource_governor_external_resource_pool_affinity
dm_resource_governor_external_resource_pool_affinity_TSQL
sys.dm_resource_governor_external_resource_pool_affinity
dm_resource_governor_external_resource_pool_affinity
TSQL

sys.dm_resource_governor_external_resource_pool_affinity (Transact-SQL)

[!INCLUDE sqlserver2016] Applies to: [!INCLUDEsssql15-md] [!INCLUDErsql-productname-md] and [!INCLUDEsssql17-md] [!INCLUDErsql-productnamenew-md]

Returns CPU affinity information about the current external resource pool configuration.

Column name Data type Description
pool_id int The ID of the external resource pool. Is not nullable.
processor_group smallint The ID of the Windows logical processor group. Is not nullable.
cpu_mask bigint The binary mask representing the CPUs associated with this pool. Is not nullable.

Remarks

Pools that are created with an affinity of AUTO do not appear in this view because they have no affinity. For more information, see the CREATE EXTERNAL RESOURCE POOL (Transact-SQL) and ALTER EXTERNAL RESOURCE POOL (Transact-SQL) statements.

Permissions

Requires VIEW SERVER STATE permission.

Permissions for SQL Server 2022 and later

Requires VIEW SERVER PERFORMANCE STATE permission on the server.

See also

Resource governance for machine learning in SQL Server

sys.dm_resource_governor_resource_pool_affinity (Transact-SQL)

external scripts enabled Server Configuration Option

ALTER EXTERNAL RESOURCE POOL (Transact-SQL)