I'm using JVisualVM and YourKit to analyze a heap memory dump (created using jmap) and noticed that for the same object they report two very different retained sizes! Does anybody know what the cause could be?
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Sure, the obvious cause for this difference is a bug in VisualVM or YourKit. Can you try VisualVM 1.3.3 from http://visualvm.java.net ? If can you send me (privately) the link to your heap dump, I can investigate VisualVM part.
Tomas Hurka
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Sure, I'll try VisualVM 1.3.3 – mhdwrk Jan 31 '12 at 16:13
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Got the same result using VisualVM 1.3.3. Unfortunately I'm not allowed to share the heap dump! – mhdwrk Jan 31 '12 at 16:51
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Too bad you are to able to share the heap dump. In that case I am sorry, but I cannot help you. :-( – Tomas Hurka Jan 31 '12 at 17:27