Running a commercial app set to -Xmx2048M on Sol 10 (sun4v sparc) with 64G of physical RAM. Is it possible to bump up the java heap space even further?

I have a program thats real simple and will read through my xml file and print out some stuff. THe problem is the xml file is 2gb long and I cant run the program. Any options?

You can fix your Java memory leak problem without a costly JVM heap dump. Just use Java Flight Recorder's Old Object Sample event and view the recording in JDK Mission Control.

The Java Heap Analysis Tool (jhat) TechNotes/man page lists four methods for generating a heap dump that can be analyzed by jhat.

Just a quick tip on how to fix the Artifactory 'could not reserve enough space for 2097152KB object heap' startup error message.

To reduce application execution time, Java’s segmented code cache would be extended with an optional “hot” code heap to compactly accommodate a part of non-profiled methods, under a draft ...