资源管理器基础与实战演示

--==========================================================
USE [master]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
--创建资源池
CREATE RESOURCE POOL AppPool
WITH (
-- allocate at least % of the CPU bandwidth for admin queries
MIN_CPU_PERCENT = 0
-- do not let them exceed % either
, MAX_CPU_PERCENT = 70
-- admin queries should be small and we will allocate about %
-- of the server memory for them
, MIN_MEMORY_PERCENT = 0
, MAX_MEMORY_PERCENT = 80
)
GO
--创建负载组
CREATE WORKLOAD GROUP AppGroup
WITH (
-- use all defaults
IMPORTANCE = MEDIUM
, REQUEST_MAX_MEMORY_GRANT_PERCENT = 10
, REQUEST_MEMORY_GRANT_TIMEOUT_SEC = 100
, REQUEST_MAX_CPU_TIME_SEC = 10
, MAX_DOP = 0
, GROUP_MAX_REQUESTS = 0
)
USING AppPool
GO

--创建分类函数，将登陆用户TestUser的回话映射到负载组AppGroup
CREATE FUNCTION [dbo].[urgClassifier]()
RETURNS sysname
WITH SCHEMABINDING
AS
BEGIN
DECLARE @grp_name AS sysname;
SET @grp_name = ‘default‘;

IF (SUSER_SNAME()=‘TestUser‘)
BEGIN
SET @grp_name = ‘AppGroup‘;
END

RETURN @grp_name;
END
GO
--为资源调控器设置资源组
ALTER RESOURCE GOVERNOR
WITH (
CLASSIFIER_FUNCTION = [dbo].[urgClassifier]
)
GO
--更资源调控器设置
ALTER RESOURCE GOVERNOR RECONFIGURE
GO
--禁用资源调控器
ALTER Resource Governor DISABLE;