[Linux-cluster] Meaning of Cluster Cycle and timeout problems - GFS 100% cpu utilization
Lon Hohberger
lhh at redhat.com
Mon Apr 21 18:04:21 UTC 2008
On Mon, 2008-04-21 at 10:53 +0200, Peter wrote:
> Hi,
>
> Thanks for the fast response!
>
> It looks like GFS causes 100% cpu utilization and therefore the qdiskd
> process has no processor time.
Ouch! That would do it.
It sounds like a bug.
> > (3) If you think qdiskd is getting CPU starved, you can adjust the
> > 'scheduler' and 'priority' values in cluster.conf to something
> > different. I think the man page might be wrong; I think the highest
> > 'priority' value for the 'rr' scheduler is 99, not 100. See the
> > qdisk(5) man page for more information on those.
^^ You can still set qdiskd's priority to 99 if you want ;)
-- Lon
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