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Heap Analysis library / API available?

Henry Wong
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I need to do some heap analysis on an HPROF file (actually from a JVM with a ridiculously large heap, but that may not be important).

However, I would like to do it, by writing my own tools, as I have some very specific requirements. I know that there are hprof tools available (I used yourkit in the past to do this). But are there any Java libs that does this -- meaning a lib that can be used to load an HPROF file, that can be traversed, so that I can report on it, in as much detail as possible. It also needs to be something that can work without loading everything in, as the HPROF file can be really really big.

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