Mike Schwab wrote:
>I believe z/OS Java 64 has reserved the 2GB -4GB+ bar for itself, uses
>a 32 bit address stub that is shifted 3 bits to the left before use,
>making every allocation a 8 byte unit and a size limit of 32GB. Option
>is -Xcompressedrefs.

Yes, that's a popular "third way" optimization option. You're not required
to use it. If you want even more memory for Java program execution, no
problem.

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Timothy Sipples
IT Architect Executive, Industry Solutions, IBM z Systems, AP/GCG/MEA
E-Mail: [email protected]

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