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MSSQL 2016: Merge Policy Evaluations

Microsoft.SQLServer.2016.CollectionRule.DBEngine.XTPMergePolicyEvaluations (Rule)

Collects the Windows "Merge Policy Evaluations" performance counter for the XTP engine's storage subsystem.

Knowledge Base article:

Summary

The rule collects the Windows "Merge Policy Evaluations" performance counter for the XTP engine's storage subsystem.

The XTP Storage performance object contains counters related to the XTP engine's storage subsystem. This includes checkpointing and merge of checkpoint files.

Merge Policy Evaluations - The number of merge policy evaluations since the server started.

Overrideable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

No

Frequency (seconds)

The recurring interval of time in seconds in which to run the workflow.

900

Element properties:

TargetMicrosoft.SQLServer.2016.DBEngine
CategoryPerformanceCollection
EnabledTrue
Instance NameSQL Server 2016 XTP Storage
Counter NameMerge Policy Evaluations
Frequency900
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource System.Performance.DataProvider Default
PerfMapper ConditionDetection System.Performance.DataGenericMapper Default
WriteToDB WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.SQLServer.2016.CollectionRule.DBEngine.XTPMergePolicyEvaluations" Target="SQL2016Core!Microsoft.SQLServer.2016.DBEngine" Enabled="true">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="SystemPerf!System.Performance.DataProvider">

      <ComputerName>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</ComputerName>

      <CounterName>Merge Policy Evaluations</CounterName>

      <ObjectName>SQL Server 2016 XTP Storage</ObjectName>

      <InstanceName>$Target/Property[Type="SQL2016Core!Microsoft.SQLServer.2016.ServerRole"]/InstanceName$</InstanceName>

      <AllInstances>false</AllInstances>

      <Frequency>900</Frequency>

    </DataSource>

  </DataSources>

  <ConditionDetection ID="PerfMapper" TypeID="SystemPerf!System.Performance.DataGenericMapper">

    <ObjectName>SQL DB Engine:SQL Server 2016 XTP Storage</ObjectName>

    <CounterName>$Data/CounterName$</CounterName>

    <InstanceName/>

    <Value>$Data/Value$</Value>

  </ConditionDetection>

  <WriteActions>

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

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

  </WriteActions>

</Rule>