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Inspect objects from comparison [message #1843233]

Tue, 20 July 2021 22:40

Alex Mising name

Messages: 149
Registered: March 2010

Senior Member

Hi all,

When I compare two heap dumps, I can see the +/- counts of object instances. I cannot however seem to find a way to review the values of those instances.

For example, suppose I see +10 instances of java.lang.String between heap dumps A and B. How can I view the 10 strings that are different between the two copies? That would be quite useful in determining the origin.

Is this possible using the tool?

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Re: Inspect objects from comparison [message #1843273 is a reply to message #1843233]

Thu, 22 July 2021 10:43

Andrew Johnson

Messages: 205
Registered: July 2009

Senior Member

I would suggest running group_by_value java.lang.String on both dumps, add each result to the compare basket, run the compare query, select 'difference from the base table' from the tool bar, then use '<>0' in the filter for column 'Objects #2-#1'

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