Jon Brisbin <jon(dot)brisbin(at)npcinternational(dot)com> writes:
> Tom Lane wrote:
>> If you're not swapping then you do not have a problem.
> Except for the fact that my Java App server crashes when all the
> available memory is being used by caching and not reclaimed :-)
That's a kernel bug (or possibly a Java bug ;-)). I concur with Josh's
suggestion that you need a newer kernel.
regards, tom lane