> wrt. your patch. i am not really satisfied with the shell coding style,
> but the approach seems sound to me. major issue to me is that 80% of e.g.
> 16Gb leaves 3.2GB unused. as XMX only defines a soft limit i'd tend to make
> all RAM available to java, like i did it for windows.
> probably most elegant would be to postprocess the value, similar to the
> 64bit case and simply decide to either use 80% or RAM-1GB, whichever is
> bigger.
>
I've used 80% in server environments, where it wasn't good for the JVM to
use all the RAM and start causing enough swapping which effectively
prevented someone from logging on and killing the JVM. In a desktop
environment where you have no control over the apps, 80% doesn't mean much
when the user might be running another app that is using 30% of the RAM.
However, if a user is running OJ standalone on his or her desktop and loads
several large dataset, it would be nice if it didn't make the system
unusable. For that reason, I'd argue against using 100% RAM. But, just
about anything is an improvement over the default of 512K. :-)
Thanks......... lreeder
>
>
>
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