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MSSQL 2016: Number of queries waiting for memory grants in the resource pool.

Microsoft.SQLServer.2016.CollectionRule.ResourcePool.PendingMemoryGrantsCount (Rule)

Collects the Windows "Pending memory grants count" performance counter for each resource pool of SQL 2016 DB Engine.

Knowledge Base article:

Summary

The rule collects the Windows "Pending memory grants count" performance counter for each resource pool of SQL 2016 DB Engine.

Please refer to the description of sys.dm_exec_query_resource_semaphores for more details.

Overrideable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

Yes

Frequency (seconds)

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

900

Element properties:

TargetMicrosoft.SQLServer.2016.ResourcePool
CategoryPerformanceCollection
EnabledTrue
Instance Name$Target/Host/Host/Property[Type="SQL2016Core!Microsoft.SQLServer.2016.DBEngine"]/PerformanceCounterObject$:Resource Pool Stats
Counter NamePending memory grants 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.ResourcePool.PendingMemoryGrantsCount" Target="SQL2016Core!Microsoft.SQLServer.2016.ResourcePool" Enabled="true">

  <Category>PerformanceCollection</Category>

  <DataSources>

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

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

      <CounterName>Pending memory grants count</CounterName>

      <ObjectName>$Target/Host/Host/Property[Type="SQL2016Core!Microsoft.SQLServer.2016.DBEngine"]/PerformanceCounterObject$:Resource Pool Stats</ObjectName>

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

      <AllInstances>false</AllInstances>

      <Frequency>900</Frequency>

    </DataSource>

  </DataSources>

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

    <ObjectName>SQL Resource Pool:Resource Pool Stats</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>