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GCMV - What are the time units for Total values on the summary page?

  • 1.  GCMV - What are the time units for Total values on the summary page?

    Posted 10 days ago

    I'm currently using WebStart version of GCMV coming with ISA 5.0.2.8. When looking at the summary page of the file I'm wondering what the time unit for values like 'Total amount ... (MB)' is?

    For example: The following values on the summary page (sorry uploading images does not work for me at the moment):
    Global collections - Total amount tenured (MB) 254453
    Nursery collections - Total amount flipped (MB) 6720
    Nursery collections - Total amount tenured (MB) 4100


    are giving the number of MBs per which time span? Is this per minute? Over the full cropped interval? 

    The Rate of garbage collection (MB/minute) which I can see on my Linux Eclipse plugin-version of GCMV is not shown here either in this version of GCMV.

    The docs at https://www.ibm.com/support/knowledgecenter/en/SS3KLZ/com.ibm.java.diagnostics.visualizer.doc/vgc_menuitems.html don't give me much more information either (sorry in case I missed something there).

    Thanks a lot in advance for your advise.



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    Hermann Huebler

    #IBMChampion
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  • 2.  RE: GCMV - What are the time units for Total values on the summary page?

    Posted 9 days ago
    Edited by Kevin Grigorenko 9 days ago
    Hi Hermann, everything on the Report is for the cropped interval (not the zoomed interval). Crop using this method: https://publib.boulder.ibm.com/httpserv/cookbook/Major_Tools-Garbage_Collection_and_Memory_Visualizer_GCMV.html#Major_Tools-Garbage_Collection_and_Memory_Visualizer_GCMV-Cropping_Data_Analysis

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    Kevin Grigorenko
    WebSphere SWAT
    IBM
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