nate.tade@gmail.com wrote:
> I help to administer about 40 AIX boxen, about 5 of these are oracle
> application servers (9i r1, aix 4.3.3 & 5.2r4). We are currently
> rebooting these machines nightly because java does not let go of memory
> correctly and will bog the box down(thats what I have been told
> anyways.) Has anyone else experienced this type of problem and found a
> work around to free up memory that has been snatched up by java/oracle
> app server but is not being used.
>
> This gets really silly when our testers ask to have the stress-test
> server rebooted before they run a stress-test... The poor box (p650 aix
> 5.2r4) ends up being rebooted multiple times a day which just seems so
> wrong with AIX!?!?
>


Have you ever look into the Performance Management Guide ?
There is a section on Java tuning. Check for the AIXTHREAD_SCOPE
parameter, maybe, playing around with this param solves your problem