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HistoryServer Component Performance

Ambari.SCOM.Rollup.HistoryServerComponentToMapReduce2ServicePerformance (DependencyMonitor)

Rolls up HistoryServer Component performance monitors to the Hadoop MapReduce2 Service.

Knowledge Base article:

Summary

This monitor is the rollup of performance monitoring for HistoryServer Host Component. If the state is unknown - monitoring has not been initialized yet.

Causes

An unhealthy state for this monitor indicates some problem with performance of HistoryServer Host Component. View all current alerts for MapReduce2 Cluster Service using this link:

View Alerts

Resolutions

Use the health explorer to drill down and find the cause of the unhealthy state. Use the knowledge on the specific monitor causing the issue to troubleshoot and fix the problem.

Element properties:

TargetAmbari.SCOM.ClusterService.MapReduce2
Parent MonitorSystem.Health.PerformanceState
AlgorithmWorstOf
Source MonitorSystem.Health.PerformanceState
RelationshipAmbari.SCOM.MapReduce2ServiceContainsHistoryServerComponent
CategoryPerformanceHealth
EnabledTrue
Alert GenerateFalse
Alert Auto ResolveFalse
RemotableTrue
AccessibilityPublic

Source Code:

<DependencyMonitor ID="Ambari.SCOM.Rollup.HistoryServerComponentToMapReduce2ServicePerformance" Target="Ambari.SCOM.ClusterService.MapReduce2" ParentMonitorID="Health!System.Health.PerformanceState" RelationshipType="Ambari.SCOM.MapReduce2ServiceContainsHistoryServerComponent" MemberMonitor="Health!System.Health.PerformanceState" Accessibility="Public" Enabled="true" Remotable="true" Priority="Normal">

  <Category>PerformanceHealth</Category>

  <Algorithm>WorstOf</Algorithm>

</DependencyMonitor>