Pete.
Peter Lin wrote:
My friend works at a shop that is heavily IBM centric. They use solaris, and iSeries. they had a similar issue with memory going crazy and not getting cleared correctly. Once they patched the VM, the memory issues went away.
it's possible you may have found a new GC issue, which has no fix yet. The problem he discovered was patched last year. I don't know the details, but the behavior you described sounded very similar to his experience.
this behavior sounds similar to other GC issues. sorry I can't provide more details about my friend's environment, since that information is beyond my reach. I believe he is using jdk1.3.1, since they are very slow with upgrades and typically wait a long time.
peter lin
Pete Stokes <[EMAIL PROTECTED]> wrote: Peter,
Apparently we are fully PTF'd up, os, websphere, the works.
Did your friend get it working or did they move platforms?
If your friend whom had similar experiences could share them, it would be great to hear what they did. Anything would help because it's got to the point of IBM throwing RAM at us. I'm sure at this stage of the game we could try and get a finders fee from IBM! ;) (they're throwing RAM modules at 8k a pop for nothing so it's worth a go!!)
Regards, Pete.
Peter Lin wrote:
I asked around and a close friend encountered a similar problem a year back. Try patching the VM and the problem should go away.
peter lin
Peter Stokes wrote: Hi,
I'm on a site where a third party application has been put on WebSphere 4.0.5 on an iSeries 820/V5R2. We have had horrendous performance / stability problems even with 10 users and even IBM cannot seem to help.
Production is currently sitting pretty on a rushed install of SuSE 9 on a Dell desktop with 1gig RAM and Tomcat.
What I am after is opinions / a comparason someone has done (weblink?) / docco about Java webservers performance looking at iSeries, Intel, Sparcs etc. They are into the iSeries/WebSphere 4.0.5 mindset, but no one can answer why this was the recommended setup and they seem to be fixed on this route, but no-one can make it work!
There is nothing else on WebSphere other than this app, so if I can get some info, I then actually have some stats / papers to help recommendations, if IBM cannot fix this in the next couple of days (they've had level 1 guys on it for 6 weeks).
Anything would be a great help.
Pete.
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