I've used Sun's 1.5 Beta on AMD64 and verified that heap allocation maxes out at 12GB (I'm on a 32GB machine running RHAS 3.0 x86-64).
On Fri, 2004-08-13 at 10:01, Peter Lin wrote: > I thought the only way to run a 64bit VM was on solaris, which means > you have to use the Sun JVM. Does IBM offer a 64bit JVM now? > > peter > > > On Fri, 13 Aug 2004 11:55:44 -0500, Caldarale, Charles R > <[EMAIL PROTECTED]> wrote: > > > From: Dale, Matt [mailto:[EMAIL PROTECTED] > > > Subject: [OT] - JVM Max Heap Size on Linux > > > > > > Has anyone got around the maximum heap size of 2G on linux? > > > We've got a new server with 12G of ram which was going to be > > > used for an uber tomcat but this plan may have to be changed > > > if we can't get more than 2G of memory used for the JVM. > > > > What kind of hardware? A single process on a regular x86 machine can only access > > 4GB of virtual space, regardless of the amount of real memory you have, unless you > > use some of the OS-specific address extension mechanisms (which the JVM doesn't). > > If you have an AMD64 and the appropriate version of Linux, you could try the Sun > > 64-bit JVM (see the 5.0 Beta 3 download list). > > > > - Chuck > > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY MATERIAL > > and is thus for use only by the intended recipient. If you received this in error, > > please contact the sender and delete the e-mail and its attachments from all > > computers. > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
