Ok let's see pf -efc if we can and see what is listed as in the run queue On 20 Aug 2010 22:07, "Ed Donahue" <liberaled at gmail.com> wrote: > On Fri, Aug 20, 2010 at 4:14 PM, Brian Mathis <brian.mathis at gmail.com> wrote: >> On Fri, Aug 20, 2010 at 2:48 PM, Ed Donahue <liberaled at gmail.com> wrote: >>> We are currently running CentOS 5 update 4 on a Dell R910 server 16 >>> cores/32 hyperthreaded with 64GB of memory. It is our main Oracle 11g >>> DB server for one of our customers and is attached to an MD 3000 >>> storage array. We are having a load averaging around 5 but see no swap >>> in use, CPUs are pretty much idle and no I/O wait. We have Oracle >>> dataguard turned on in transactional mode. I've checked everything >>> that I can think of, there are no Oracle processes running which would >>> cause a spike. Anyone have any ideas as to what to check next? >>> >>> I have another R910 configured the same way and do not see any issues >>> with the 3 databases running on that server. The load is at .5. >> >> Do you have sar (sysstat) installed and running? That will gather >> stats 1x per minute on the server and you can see more than what a >> typical 'top' will show you. You can also graph the output using >> ksar, which will make it easier to see things. >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > sar is showing a 99.6% idle cpu, this box only has an oracle db running on it. > > It has dataguard which keeps it in sync with the DR server over a vpn. > > Here is vmstat output: > > procs -----------memory---------- ---swap-- -----io---- --system-- > -----cpu------ > r b swpd free buff cache si so bi bo in cs us sy id wa st > 1 0 0 50057932 28332 13016296 0 0 1 6 0 0 > 0 0 100 0 0 > 0 0 0 50058992 28348 13016292 0 0 0 180 1172 2660 > 0 0 100 0 0 > 0 0 0 50059156 28356 13016300 0 0 0 192 1250 3071 > 0 0 100 0 0 > 0 0 0 50059988 28372 13016300 0 0 0 50 1221 3074 > 0 0 100 0 0 > 0 0 0 50060244 28380 13016292 0 0 0 126 1057 2578 > 0 0 100 0 0 > > No processes in D status or zombies > > The NFS mounts are fine too, only two of them and they have users home > directories and no one logged onto the system. > > It is also hooked up to a MD3000 where the db and oracle files are > stored, the md3000 isn't showing any alerts. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100820/3af809dc/attachment-0005.html>