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Average Wait Time

Microsoft.SQLServer.2012.DBEngine.AverageWaitTimeMonitor (UnitMonitor)

Average Wait Time monitor for 2012 DBs

Knowledge Base article:

Summary

Average Wait Time monitor for SQL 2012 DB

The average amount of wait time (milliseconds) for each lock request that resulted in a wait. Based on the DB engine counter, has identical values for all databases on a SQL instance.

Causes

Lock requests occurred

Resolutions

Use system DMVs such as sys.dm_exec_requests or SQL Server Management Studio Activity Monitor to identify processes which are blocking other processes.

Element properties:

TargetMicrosoft.SQLServer.2012.DBEngine
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityWarning
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeMicrosoft.SQLServer.2012.DBEngine.AverageWaitTime.MonitorType
RemotableTrue
AccessibilityPublic
Alert Message
SQL 2012 DB Average Wait Time is too high
The Average Wait Time of SQL instance "{0}" on computer "{1}" is too high. See "alert context" tab for more details.
RunAsDefault

Source Code:

<UnitMonitor ID="Microsoft.SQLServer.2012.DBEngine.AverageWaitTimeMonitor" Accessibility="Public" Enabled="true" Target="SQL2012Core!Microsoft.SQLServer.2012.DBEngine" ParentMonitorID="SystemHealth!System.Health.PerformanceState" Remotable="true" Priority="Normal" TypeID="Microsoft.SQLServer.2012.DBEngine.AverageWaitTime.MonitorType" ConfirmDelivery="false">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Microsoft.SQLServer.2012.DBEngine.AverageWaitTimeMonitor.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>Warning</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Property[Type="SQL!Microsoft.SQLServer.ServerRole"]/InstanceName$</AlertParameter1>

      <AlertParameter2>$Target/Host/Property[Type="Windows!Microsoft.Windows.Computer"]/NetworkName$</AlertParameter2>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

    <OperationalState ID="Normal" MonitorTypeStateID="Normal" HealthState="Success"/>

    <OperationalState ID="Error" MonitorTypeStateID="Error" HealthState="Warning"/>

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>300</IntervalSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <Threshold>250</Threshold>

    <NumSamples>6</NumSamples>

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

    <ObjectName>$Target/Property[Type="SQL!Microsoft.SQLServer.DBEngine"]/PerformanceCounterObject$:Locks</ObjectName>

  </Configuration>

</UnitMonitor>