Difference between revisions of "EclipseLink/UserGuide/JPA/Advanced JPA Development/Performance/Performance Monitoring and Profiling/Fetch Group Monitoring"

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'''[[Image:Elug_draft_icon.png|Warning]] This page is now obsolete. '''
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For current information, please see "Fetch Group Monitoring" in the ''EclipseLink Concepts Guide'':
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http://www.eclipse.org/eclipselink/documentation/latest/concepts/monitoring002.htm
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* [http://www.eclipse.org/eclipselink/api/latest/org/eclipse/persistence/tools/profiler/package-summary.html profiler]
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* [http://www.eclipse.org/eclipselink/api/latest/org/eclipse/persistence/tools/profiler/FetchGroupMonitor.html FetchGroupMonitor]
* [http://www.eclipse.org/eclipselink/api/latest/org/eclipse/persistence/tools/profiler/PerformanceProfiler.html PerformanceProfiler]
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=Fetch Group Monitoring=
 
=Fetch Group Monitoring=
  
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Use the Fetch Group Monitor to measure fetch group field usage. This can be useful for performance analysis in a complex system.
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Enable this monitor using the System property <tt>org.eclipse.persistence.fetchgroupmonitor=true</tt>.
  
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The monitor dumps the attribute used for a class every time a new attribute is accessed.
  
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For more information about fetch groups, see [[EclipseLink/UserGuide/JPA/Advanced JPA Development/Performance/Fetch Groups|Fetch Groups]].
  
  

Latest revision as of 07:40, 17 April 2013



Warning This page is now obsolete.

For current information, please see "Fetch Group Monitoring" in the EclipseLink Concepts Guide: http://www.eclipse.org/eclipselink/documentation/latest/concepts/monitoring002.htm




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[edit] Fetch Group Monitoring

Use the Fetch Group Monitor to measure fetch group field usage. This can be useful for performance analysis in a complex system.

Enable this monitor using the System property org.eclipse.persistence.fetchgroupmonitor=true.

The monitor dumps the attribute used for a class every time a new attribute is accessed.

For more information about fetch groups, see Fetch Groups.


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