sql2008 R2 - how to configure resource governor for heavy load stored procedures

Guys,
I'm trying to figure out how to use resource governor to  limit some of resources when specific procedures run and how to use this resource governor when doing a backups
motioneyeAsked:
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Vikas GargAssociate Principal EngineerCommented:
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Vitor MontalvãoMSSQL Senior EngineerCommented:
You can't specify a limit of a resource for stored procedures. Only users or applications.
For backing up with limited resource, create a user only for running backups and set is limit in resource governor, so when that user runs a backup will run it with the specified resource limit.
Here's an example of the code:
-- Before this the Login need to be created first
EXEC sp_addrolemember 'db_backupoperator', 'LoginName';

-- Configure Resource Governor.
BEGIN TRAN
USE master;
-- Create a resource pool that sets the MAX_CPU_PERCENT to 20%. 
CREATE RESOURCE POOL pMAX_CPU_PERCENT_20
   WITH
      (MAX_CPU_PERCENT = 20);
GO
-- Create a workload group to use this pool. 
CREATE WORKLOAD GROUP gMAX_CPU_PERCENT_20
USING pMAX_CPU_PERCENT_20;
GO
-- Create a classification function.
-- Note that any request that does not get classified goes into 
-- the 'Default' group.
CREATE FUNCTION dbo.rgclassifier_MAX_CPU() RETURNS sysname 
WITH SCHEMABINDING
AS
BEGIN
    DECLARE @workload_group_name AS sysname
      IF (SUSER_NAME() = 'LoginName')
          SET @workload_group_name = 'gMAX_CPU_PERCENT_20'
    RETURN @workload_group_name
END;
GO

-- Register the classifier function with Resource Governor.
ALTER RESOURCE GOVERNOR WITH (CLASSIFIER_FUNCTION= dbo.rgclassifier_MAX_CPU);
COMMIT TRAN;
GO
-- Start Resource Governor
ALTER RESOURCE GOVERNOR RECONFIGURE;
GO

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Disclaimer: This code is based in the this MSDN article so the example is set a limit of 20% of CPU usage. Of course you can change it to a value that you want.
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Microsoft SQL Server 2008

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