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Question by Ronald M. · Mar 27, 2013 at 07:55 PM ·

Major GC for OpenJDK in dynaTrace

Major GC for OpenJDK in dynaTrace 4.1.

Hi all,

I am trying to get the measurements for Major GC Activation for OpenJDK.  I could see the rest of the GC measurements such as GC Cause Suspension, Total GC.  Do I need to have OpenJDK attribute in Java Virtual Machine Measure Specific Attributes in order to get this measure?  If so, how can it be accomplish as there are only Sun/Oracle, IBM, JRockit, SAP and Hewlett-Packard listed in JVM.

Thanks!

-Ronald

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Answer by Ted F. · Mar 28, 2013 at 08:34 PM

Hey Ronald,

Check out the 'Specific GC Activations' and 'Specific GC Time' measures and set the dropdowns to Sun/Oracle and the Garbage Collector you are using (e.g. mark sweep compact).

thanks,
ted

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avatar image Ronald M. · Mar 29, 2013 at 01:44 AM 0
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Thanks, Ted. This work. I am able to get some measurement out of PS Mark Sweep.

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Answer by Ronald M. · Mar 28, 2013 at 07:11 PM

The initial attribute is set to Sun/Oracle. However, I do not see the measurement of Major GC. Any advice?

Thanks!
-Ronald

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Answer by Michael K. · Mar 28, 2013 at 07:38 AM

OpenJDK is a version/fork/subset of Sun/Oracle JVM try that one

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