Measure heap used by each object in Java [closed]

问题

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Closed 6 years ago.

Can some suggest a good a free memory profiling tool which will show memory being used by each object in the heap separately. We are trying to profile our application and I used jconsole but its gives me total memory usage only. I am using Eclipse and OC4J

回答1:

Visual VM can do it for you..

https://visualvm.java.net/

回答2:

Eclipse Memory Analyzer

回答3:

Not free, but IMHO the best one: http://www.yourkit.com/

来源：https://stackoverflow.com/questions/2553680/measure-heap-used-by-each-object-in-java