RE: Know anyone?
- From: Denny Koovakattu <oracle-l@xxxxxxxxxxxxxx>
- To: Magnus Andersen <Magnus.Andersen@xxxxxxxxxxxxxxx>
- Date: Fri, 22 Jul 2005 14:40:42 -0500
We have different versions. The most recently patched versions run RHAS 2.1
Update 6 and RHAS 3.0 Update 3.
We had opened a case with Redhat for a system running 2.4.9-e.49summit (RH2.1
Update 4 or 5) and we got a response back claiming it's fixed it that version.
Thanks,
Denny
--
Denny Koovakattu
Quoting Magnus Andersen <Magnus.Andersen@xxxxxxxxxxxxxxx>:
> Denny,
>
> What kernel version are you running?
>
> Magnus
>
> -----Original Message-----
> From: Denny Koovakattu [mailto:oracle-l@xxxxxxxxxxxxxx]
> Sent: Friday, July 22, 2005 3:13 PM
> To: Magnus Andersen
> Cc: Oracle-L (E-mail)
> Subject: RE: Know anyone?
>
>
>
> We had similar problems, but they were caused by kswapd. If the CPU usage
> is
> mostly system with zero or close to zero CPU being used by the user
> processes,
> it indicates the kswapd bug. I don't think changing pagecache eliminates the
> bug, but just moves the point at which it gets triggered. We also suspect
> that
> more physical memory increases the chances of encountering the bug. Hugetlb
> might help for these systems. Mostly we have been hit by this bug when we
> establish few Oracle connections at the same time. We have also had issues
> running find or du. It's unpredictable. The last response we got from Redhat
> was that it's fixed in the exact kernel version we are running ;)
>
> Thanks,
> Denny
> --
> Denny Koovakattu
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