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Maximum Ram on 64 bit ubuntu

Matt Elliott

Joined: Feb 21, 2009
Posts: 14
I have a 16 gig, 64 bit Ubuntu system and i'm wondering if the Java SE has a maxium heap size?
Peter Johnson

Joined: May 14, 2008
Posts: 5823

If you have a 64-bit JVM, the limit is very large (much larger than 16GB!). If you have a 32-bit JVM, the limit is around 2.7GB.

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subject: Maximum Ram on 64 bit ubuntu