Components Performance

Ambari.SCOM.Rollup.HostComponentToHostPerformance (DependencyMonitor)

Rolls up all Host Components performance monitors to the Hadoop Host.

Knowledge Base article:

Summary

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

Causes

An unhealthy state for this monitor indicates some problem with performance of Hadoop Host Components. View all current alerts for parent Host 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:

Target	Ambari.SCOM.Host
Parent Monitor	System.Health.PerformanceState
Algorithm	WorstOf
Source Monitor	System.Health.PerformanceState
Relationship	Ambari.SCOM.HostHostsHostComponent
Category	PerformanceHealth
Enabled	True
Alert Generate	False
Alert Auto Resolve	False
Remotable	True
Accessibility	Public

Source Code:

<DependencyMonitor ID="Ambari.SCOM.Rollup.HostComponentToHostPerformance" Target="Ambari.SCOM.Host" ParentMonitorID="Health!System.Health.PerformanceState" RelationshipType="Ambari.SCOM.HostHostsHostComponent" MemberMonitor="Health!System.Health.PerformanceState" Accessibility="Public" Enabled="true" Remotable="true" Priority="Normal">

  <Category>PerformanceHealth</Category>

  <Algorithm>WorstOf</Algorithm>

</DependencyMonitor>