JVM 1.6 from 32bits to 64bits

[Antonio Egea]

Hi all,

I would like to ask if someone can point me to a document about the management for changing from a 32 bits JVM to a 64bits one in HPUX (with -d64) If this is not possible it will be helpful if any could give me some tips about how to manage this change, if from OS some kernel tuning is needed and some info regarding the stack size, or the growth in the memory consumption it will induce

Thank you in advance.

[Dennis Handly]

Just try it. You'll need to make sure that any JNIs be ported to 64 bit.

[Steven E. Protter]

Shalom,

JVM for HP-UX has a facility for running a binary compiled in 32 bit or 64 bit mode.

The only real reason to go 64 bit is if the amount of data exceeds the limitations of 32 bit environment. Or if you are extremely anal :-)

I doubt any OS tuning would be required unless the program is absolutely enormous.

SEP

[Antonio Egea]

Thank you for the help. I think the best is to try and monitor it, yes :)

[Antonio Egea]

Thank you all.