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sys.dm_clr_tasks (Transact-SQL)

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Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance

Returns a row for all common language runtime (CLR) tasks that are currently running. A Transact-SQL batch that contains a reference to a CLR routine creates a separate task for execution of all the managed code in that batch. Multiple statements in the batch that require managed code execution use the same CLR task. The CLR task is responsible for maintaining objects and state pertaining to managed code execution, as well as the transitions between the instance of SQL Server and the common language runtime.

Column name Data type Description
task_address varbinary(8) Address of the CLR task.
sos_task_address varbinary(8) Address of the underlying Transact-SQL batch task.
appdomain_address varbinary(8) Address of the application domain in which this task is running.
state nvarchar(128) Current state of the task.
abort_state nvarchar(128) State the abort is currently in (if the task was canceled) There are multiple states involved while aborting tasks.
type nvarchar(128) Task type.
affinity_count int Affinity of the task.
forced_yield_count int Number of times the task was forced to yield.

Permissions

On SQL Server and SQL Managed Instance, requires VIEW SERVER STATE permission.

On SQL Database Basic, S0, and S1 service objectives, and for databases in elastic pools, the server admin account, the Microsoft Entra admin account, or membership in the ##MS_ServerStateReader## server role is required. On all other SQL Database service objectives, either the VIEW DATABASE STATE permission on the database, or membership in the ##MS_ServerStateReader## server role is required.

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)
Common Language Runtime Related Dynamic Management Views (Transact-SQL)