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MSSQL 2016: MtLog 256K Expand Count

Microsoft.SQLServer.2016.CollectionRule.DBEngine.XTPMtlog256KExpandCount (Rule)

Collects the Windows "MtLog 256K Expand Count" performance counter for SQL 2016 DB Engine.
Note that this rule is enabled only for SQL editions supporting Memory-Optimized Data (64-bit Enterprise, Developer, or Evaluation edition).

Knowledge Base article:

Summary

The rule collects the Windows "MtLog 256K Expand Count" performance counter for SQL 2016 DB Engine.

The XTP database-specific counters.

MtLog 256K Expand Count - Number of times a 256K MtLog was expanded. This is a very low-level counter, not intended for customer use.

Note that this rule is enabled only for SQL editions supporting Memory-Optimized Data (64-bit Enterprise, Developer, or Evaluation edition).

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
EnabledFalse
Instance NameSQL Server 2016 XTP Databases
Counter NameMtLog 256K Expand Count
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.XTPMtlog256KExpandCount" Target="SQL2016Core!Microsoft.SQLServer.2016.DBEngine" Enabled="false">

  <Category>PerformanceCollection</Category>

  <DataSources>

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

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

      <CounterName>MtLog 256K Expand Count</CounterName>

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

      <InstanceName>_Total</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 Databases</ObjectName>

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

    <InstanceName>$Data/InstanceName$</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>