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SSAS: Processing Pool I/O Job Queue Length

Microsoft.SQLServer.AnalysisServices.Windows.Monitoring.PerformanceRule.Instance.ProcessingPoolIOJobQueueLength (Rule)

The rule collects the length of SSAS processing pool I/O job queue.

Knowledge Base article:

Summary

The rule collects the length of SSAS processing pool I/O job queue. This allows administrators to detect if queued I/O operations are affecting the server performance negatively.

External

TechNet documentation for SSAS Performance Counters

Overridable Parameters

Name

Description

Default Value

Enabled

Enables or disables the workflow.

Yes

Interval Seconds

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

900

Synchronization Time

The synchronization time specified by using a 24-hour format. May be omitted.

 

Timeout (seconds)

Specifies the time the workflow is allowed to run before being closed and marked as failed.

300

Element properties:

TargetMicrosoft.SQLServer.AnalysisServices.Windows.Instance
CategoryPerformanceCollection
EnabledTrue
Alert GenerateFalse
RemotableTrue

Member Modules:

ID Module Type TypeId RunAs 
DS DataSource Microsoft.SQLServer.AnalysisServices.Windows.Monitoring.DataSource.ScheduledPerfomanceDataProvider Microsoft.SQLServer.Core.RunAs.Monitoring
Mapper ConditionDetection System.Performance.DataGenericMapper Default
WriteToDatabase WriteAction Microsoft.SystemCenter.CollectPerformanceData Default
WriteToDW WriteAction Microsoft.SystemCenter.DataWarehouse.PublishPerformanceData Default

Source Code:

<Rule ID="Microsoft.SQLServer.AnalysisServices.Windows.Monitoring.PerformanceRule.Instance.ProcessingPoolIOJobQueueLength" Enabled="true" Target="SQLAS!Microsoft.SQLServer.AnalysisServices.Windows.Instance" ConfirmDelivery="false" Remotable="true" Priority="Normal" DiscardLevel="100">

  <Category>PerformanceCollection</Category>

  <DataSources>

    <DataSource ID="DS" TypeID="Microsoft.SQLServer.AnalysisServices.Windows.Monitoring.DataSource.ScheduledPerfomanceDataProvider" RunAs="MSCL!Microsoft.SQLServer.Core.RunAs.Monitoring">

      <PrincipalName>$Target/Host/Property[Type='Windows!Microsoft.Windows.Computer']/PrincipalName$</PrincipalName>

      <PerformanceCounterObjectName>$Target/Property[Type='ASCore!Microsoft.SQLServer.AnalysisServices.Core.Instance']/PerformanceCounterObject$:Threads</PerformanceCounterObjectName>

      <PerformanceCounterName>Processing pool I/O job queue length</PerformanceCounterName>

      <PerformanceCounterInstanceName/>

      <Divider>1</Divider>

      <IntervalSeconds>900</IntervalSeconds>

      <SyncTime/>

      <TimeoutSeconds>300</TimeoutSeconds>

    </DataSource>

  </DataSources>

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

    <ObjectName>SSAS Instance:Threads</ObjectName>

    <CounterName>Processing pool I/O job queue length</CounterName>

    <InstanceName/>

    <Value>$Data/Property[@Name='Processing pool I/O job queue length']$</Value>

  </ConditionDetection>

  <WriteActions>

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

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

  </WriteActions>

</Rule>