R: [Linux-cluster] Performance tuning help sought
Kadlecsik Jozsef
kadlec at sunserv.kfki.hu
Tue Mar 4 13:28:58 UTC 2008
On Tue, 4 Mar 2008, Kadlecsik Jozsef wrote:
> On Tue, 4 Mar 2008, Leandro Dardini wrote:
>
> > > What can we do, besides increasing the RGs size?
> > > Is there any kernel parameter, which could be tuned (say vm
> > > parameters)?
> > > Would it help to set higher MTU values for openais? (But how
> > > could one set it?)
> >
> > To speed up things a little, try mounting your partition without atime
> > (noatime). This will prevent contention locking on directory.
>
> It's already done, I forgot to mention.
Hmm, however, we mount with acl-s enabled but we don't really use acls.
Would it improve the performance if we drop acl support?
Best regards,
Jozsef
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