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Invalid TaskTrackers

Ambari.SCOM.UnitMonitor.MapReduceInvalidTaskTrackers (UnitMonitor)

Gives warning alert if there is at least one graylisted task-tracker. Gives critical alert if there is at least one blacklisted task-tracker.

Knowledge Base article:

Summary

Gives warning alert if there is at least one graylisted task-tracker. Gives critical alert if there is at least one blacklisted task-tracker.

Causes

TBD

Resolutions

TBD

Element properties:

TargetAmbari.SCOM.ClusterService.MapReduce
Parent MonitorSystem.Health.PerformanceState
CategoryPerformanceHealth
EnabledTrue
Alert GenerateTrue
Alert SeverityMatchMonitorHealth
Alert PriorityNormal
Alert Auto ResolveTrue
Monitor TypeAmbari.SCOM.UnitMonitorType.MapReduceInvalidTaskTrackers
RemotableTrue
AccessibilityPublic
Alert Message
There are TaskTracker nodes which are in the invalid state.
There are {1} graylisted and {2} blacklisted TaskTrackers in cluster "{0}".
RunAsDefault

Source Code:

<UnitMonitor ID="Ambari.SCOM.UnitMonitor.MapReduceInvalidTaskTrackers" TypeID="Ambari.SCOM.UnitMonitorType.MapReduceInvalidTaskTrackers" Target="Ambari.SCOM.ClusterService.MapReduce" ParentMonitorID="Health!System.Health.PerformanceState" Remotable="true" Priority="Normal" Accessibility="Public" Enabled="true" ConfirmDelivery="true">

  <Category>PerformanceHealth</Category>

  <AlertSettings AlertMessage="Ambari.SCOM.UnitMonitor.MapReduceInvalidTaskTrackers.AlertMessage">

    <AlertOnState>Warning</AlertOnState>

    <AutoResolve>true</AutoResolve>

    <AlertPriority>Normal</AlertPriority>

    <AlertSeverity>MatchMonitorHealth</AlertSeverity>

    <AlertParameters>

      <AlertParameter1>$Target/Host/Property[Type="Ambari.SCOM.ClusterService.Private"]/ClusterName$</AlertParameter1>

      <AlertParameter2>$Data/Context/Property[@Name='trackers_graylisted']$</AlertParameter2>

      <AlertParameter3>$Data/Context/Property[@Name='trackers_blacklisted']$</AlertParameter3>

    </AlertParameters>

  </AlertSettings>

  <OperationalStates>

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

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

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

  </OperationalStates>

  <Configuration>

    <IntervalSeconds>900</IntervalSeconds>

    <TimeoutSeconds>300</TimeoutSeconds>

    <WarningGraylistedCount>1</WarningGraylistedCount>

    <CriticalBlacklistedCount>1</CriticalBlacklistedCount>

  </Configuration>

</UnitMonitor>