[Gluster-users] 3.2.2 Performance Issue

Stephan von Krawczynski skraw at ithnet.com
Thu Aug 11 12:28:03 UTC 2011

On Wed, 10 Aug 2011 12:08:39 -0700
Mohit Anchlia <mohitanchlia at gmail.com> wrote:

> Did you run dd tests on all your servers? Could it be one of the disk is slower?
> On Wed, Aug 10, 2011 at 10:51 AM, Joey McDonald <joey at scare.org> wrote:
> > Hi Joe, thanks for your response!
> >
> >>>
> >>> An order of magnitude slower with replication. What's going on I wonder?
> >>> Thanks for any suggestions.
> >>
> >> You are dealing with contention for Gigabit bandwidth.  Replication will
> >> do that, and will be pronounced over 1GbE.  Much less of an issue over 10GbE
> >> or Infiniband.

If that was a GBit contention you can check out by spreading your boxes
over different switches. That should prevent a contention problem.
Unfortunately I can tell you it did not help on our side, so we doubt the


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