sql 与资源调控器相关的SQL查询。

Posted 2021-05-14

--Find out what requests are running in the classifier by using the following query.
SELECT s.group_id, g.name, s.session_id, s.login_time, s.host_name, s.program_name 
           FROM sys.dm_exec_sessions s
     INNER JOIN sys.dm_resource_governor_workload_groups g
           ON g.group_id = s.group_id
                 AND 'preconnect' = s.status
ORDER BY g.name
GO
 
SELECT r.group_id, g.name, r.status, r.session_id, r.request_id, r.start_time, r.command, r.sql_handle, t.text 
           FROM sys.dm_exec_requests r
     INNER JOIN sys.dm_resource_governor_workload_groups g
           ON g.group_id = r.group_id
                 AND 'preconnect' = r.status
     CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) AS t
ORDER BY g.name
GO

--Find out which requests are in each group by using the following query.
SELECT r.group_id, g.name, r.status, r.session_id, r.request_id, r.start_time, r.command, r.sql_handle, t.text 
           FROM sys.dm_exec_requests r
     INNER JOIN sys.dm_resource_governor_workload_groups g
            ON g.group_id = r.group_id
     CROSS APPLY sys.dm_exec_sql_text(r.sql_handle) AS t
ORDER BY g.name
GO

--Find out what sessions are in each group by using the following query.
SELECT s.group_id, CAST(g.name as nvarchar(20)), s.session_id, s.login_time, CAST(s.host_name as nvarchar(20)), CAST(s.program_name AS nvarchar(20))
          FROM sys.dm_exec_sessions s
     INNER JOIN sys.dm_resource_governor_workload_groups g
          ON g.group_id = s.group_id
ORDER BY g.name
GO

--Obtain the current runtime data for the resource pools and workload groups by using the following query.
SELECT * FROM sys.dm_resource_governor_resource_pools
SELECT * FROM sys.dm_resource_governor_workload_groups
GO

--Verify that the classifier function exists and is enabled by using the following queries.
--- Get the classifier function Id and state (enabled).
SELECT * FROM sys.resource_governor_configuration
GO
--- Get the classifer function name and the name of the schema
--- that it is bound to.
SELECT 
      object_schema_name(classifier_function_id) AS [schema_name],
      object_name(classifier_function_id) AS [function_name]
FROM sys.dm_resource_governor_configuration

--Obtain the resource pool and workload group configuration by using the following query.
USE master
SELECT * FROM sys.resource_governor_resource_pools
SELECT * FROM sys.resource_governor_workload_groups
GO