[Gluster-users] Gluster scalability ?

Mohit Anchlia mohitanchlia at gmail.com
Thu Aug 25 15:58:07 UTC 2011

Do you mean from client nodes to server nodes? Or are you saying
between the server nodes? Also, do share how you are measuring high IO
and what you are seeing. Some data around this behaviour would be

On Thu, Aug 25, 2011 at 2:46 AM, Etienne Lyard <Etienne.Lyard at unige.ch> wrote:
> Hi all,
> we have a small gluster setup currently running on two nodes, with 2x2TB
> disks each, serving a distributed-replica volume.
> We are planning to deploy this setup over more nodes, 10 to start with,
> possibly 20 to 50 in the future.
> We are already noticing a significant amount of IO operations across the two
> nodes when writting data to the filesystem, thus we were wondering: Will the
> computational overhead induce by Gluster remain more or less constant when
> adding more nodes, or is this overhead increasing with the number of nodes
> that form a volume ?
> I understand that under specific conditions, a client will query all nodes
> in order to find the actual location of a specific file: this sounds like it
> could become a problem if the number of nodes becomes large.
> Thanks for your insights,
> Cheers,
> Etienen
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