[Linux-cluster] How fast can rsync be on GFS2?

[Nikola Savic]

  Hi Bob,

  I see that packages available for CentOS 5.x are very old :( Do you
expect any problems with compiling cluster3 on CentOS 5.4 or 5.5?

  Did any try to install the cluster3 on CentOS? Are there available RPMS?

  Thanks,
  Nikola

Bob Peterson wrote:
> ----- Original Message -----
> | Is there any other tuning I can use to make GFS2 faster in this
> | scenario? Does anyone use rsync in similar scenario, and how fast is
> | file list created?
>
> Hi Nikola,
>
> GFS2 is mostly self-tuning.  However, we are making improvements all
> the time.  The performance depends a lot on what version of GFS2 you
> are running.  In general, newer is better.
>
> On the positive side:
> (1) There have been recent improvements to the DLM lock manager that
> speed things up somewhat.
> (2) I've got a set of patches that haven't been released yet that
> should help performance for bugzilla bug 650494.
> (3) I recently wrote a performance enhancement to the unlink code.
> All three of these patches have been posted to the public cluster-devel
> mailing list and are in different stages finding their way to the kernels.
>
> On the negative side:
> Some people have reported some more performance problems that we're
> currently investigating (haven't solved yet).
>
> Regards,
>
> Bob Peterson
> Red Hat File Systems
>
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