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MSSQL 2008: 收集数据库引擎页生存期(s)

Microsoft.SQLServer.2008.DBEngine.PageLifeExpectancy.Collection (Rule)

SQL 2008 数据库引擎页生存期(s)性能收集规则

Knowledge Base article:

摘要

SQL 2008 数据库引擎的页生存期

没有引用的页停留在缓冲池中的时间(秒)。

可替代参数

名称

说明

默认值

已启用

启用或禁用工作流。

是

间隔(秒)

要运行工作流的重复时间间隔(秒)。

900

Element properties:

TargetMicrosoft.SQLServer.2008.DBEngine
CategoryPerformanceCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.SQLServer.2008.DBEngine.PageLifeExpectancy.DataSourceMapped Microsoft.SQLServer.SQLProbeAccount
WriteToDB WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.SQLServer.2008.DBEngine.PageLifeExpectancy.Collection" Enabled="true" Target="SQL2008Core!Microsoft.SQLServer.2008.DBEngine" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Microsoft.SQLServer.2008.DBEngine.PageLifeExpectancy.DataSourceMapped" RunAs="SQL!Microsoft.SQLServer.SQLProbeAccount">

      <IntervalSeconds>900</IntervalSeconds>

    </DataSource>

  </DataSources>

  <WriteActions>

    <WriteAction ID="WriteToDB" TypeID="SC!Microsoft.SystemCenter.CollectPerformanceData"/>

    <WriteAction ID="WriteToDW" TypeID="SCDW!Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData"/>

  </WriteActions>

</Rule>