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UPDATE: 20110428 - An explanation of my vague “overheads” Mamimum Java heap size of a 32-bit JVM on a 64-bit OS – this one has an answer from me where you can measure the maximum heap allocation using Java’s Runtime class.Java maximum memory on Windows XP – see in particular the answers with links to IBM and Oracle JRockit, and especially an explanition about contiguous heap.UPDATE: 20110731 - Some more answers and links at Stack Overflow Allocating a heap size greater than this amount does not work. On the 32-bit Windows platform, JVM programs can only ever use up to about 1.5–1.6 GiB of memory in RAM per Java VM process. This post is also available at my personal web site: Tags AboutMe aircraft alternatives blog Blogger blogging book code colour computers copyright cygwin debian Delicious desktop development DNS DVD dvorak emacs email Flickr fonts freedom gadget game geek generics gentoo GUI hacking hardware how-to howto java jEdit KDE keyboards kubuntu linux lisp mainframe media microcomputers Microsoft netbeans observation openSUSE package process programming python quote rant registry retro RFC screens screenshot shell stability tagging terminology tip typsetting ubuntu Unix useability web windows Wordpress x11 XHTML xming xorg Archives