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SQL Server 2008中进行性能数据收集

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Jun 07, 2016 pm 05:53 PM

serversqlcollect

通过这个动手实验室，您可以了解到：了解与性能数据收集相关的组件及术语;创建并配置管理数据仓库;管理数据收集的类型及间隔;对收集上来的数据进行分析;创建自定义的数据收集类型。 1. 创建管理数据仓库在SQL Server 2008中有很多组件可以进行性能数据收集

通过这个动手实验室，您可以了解到：了解与性能数据收集相关的组件及术语;创建并配置管理数据仓库;管理数据收集的类型及间隔;对收集上来的数据进行分析;创建自定义的数据收集类型。

　　1. 创建管理数据仓库

　　在SQL Server 2008中有很多组件可以进行性能数据收集。为了设定收集数据的类型以及收集计划，数据收集器需要使用管理数据仓库。管理数据仓库也是一个关系型，但在创建该时很多默认设置需要进行修改，在我们后面的实验中将深入讨论。理想状态下，管理数据仓库最好和生产环境的数据库位于不同的上，以便实现更好的性能。

　　数据收集所针对的目标是SQL Server 的实例，每一个实例都有收集组与之相对应，其中收集组指特定的收集类型，例如磁盘和查询统计。数据收集依靠SQL Server Agent 或SSIS按照计划来执行，因此作业和计划都会存储在msdb数据库中。管理数据仓库的角色就是存储数据、一些聚合值、以及针对系统分析而生成的历史信息。

　　在第一个练习当中，我们将安装管理数据仓库：

　　1. 打开 SQL Server Management Studio.

　　依次点击Start | All Programs | Microsoft SQL Server 2008 | SQL Server Management Studio

　　2. SQL Server Management Studio 打开以后，在Connect to Server 对话框中，输入如下信息，然后点击Connect:

　　Server type: Database Engine

　　Server name: CHICAGO\CONFIGSERVER

　　Authentication: Windows Authentication

　　3. 在Object Explorer中，依次展开Management 和Data Collection.

　　4. 右键点击Data Collection 然后点击Configure Management Data Warehouse.

　　5. 点击Next.

　　6. 在配置Management Data Warehouse 时需要做两件事：创建SQL Server 数据库用于存储收集上来的数据计数;指定缓存文件夹，数据在加载到管理数据仓库之前会临时被缓存在这里。对于收集操作比较频繁的数据集，所收集的数据会在本地缓存，然后再批量导入到管理数据仓库，从而降低了网络负载并提高了数据收集时的性能。

　　7. 在Configure Management Data Warehouse Wizard 页面中，选择Create or upgrade a management data warehouse 然后点击Next.

　　8. 服务器名称会自动填写

　　注意：你必须有足够的权限，以便在服务器中创建管理数据仓库。更多详细信息，请参考SQL Server 2008 Books Online 中的CREATE DATABASE (Transact-SQL) 以及Data Collector Security 部分

　　9. 点击New新建管理数据仓库。

　　按照下图所示进行设置。即将数据库名称设置为ManagementDW：

　　10. 点击 OK 接收默认设置并创建ManagementDW 数据库。注意：即便在后面的步骤中取消向导，该数据库也将在该步骤中创建

　　11. 点击Next.

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