An Explanation Of Restrictions Limiting The Java Max Heap (-Xmx) To Around 1500M For 32bit JDK's On Microsoft Windows
(Doc ID 557813.1)
Last updated on NOVEMBER 08, 2018
Applies to:Oracle Containers for J2EE - Version 10.1.3.1.0 and later
Microsoft Windows (32-bit)
This document presents an overview of memory addressing schemes that apply to hardware platforms, such as the x86 and x86-64 architectures that typically run Microsoft Windows systems, and illustrates why by default the maximum JAVA heap that can be set for a 32bit JDK cannot be higher than about 1500M.
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