java - Memory needed for opening heap dumps .hprof -


if use java application visualvm open heap dump (hprof file), need more heap memory visualvm hprof file size?

in case, hprof 4gb file , visualvm has 2 gb heap size , it's fails load hprof file.

you don't need more heap memory visualvm hprof file size. visualvm not load heap dump jdk heap. uses memory-mapped files instead. way can use lot of memory if default xmx visualvm 256m.


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