[Gluster-users] Native client reads from a replication volume

[Kaleb S. KEITHLEY]

On 09/11/2013 10:09 AM, Kal Black wrote:
> Hello,
> I asked this question some days ago but did not get any answer so far so
> I am posting it again.
>
> Can someone explain how Gluster native client reads from a Gluster
> replicated volume?
>
> 1. Is there a mechanism that would spread requests, form a single
> client, among all bricks/servers, taking part in a replica volume?

A gluster native client sends read requests to every replica in the volume.

It reads from the first server to respond.

Other responses are discarded. The client only reads from a single server.


>
> 2. Would the native client take a decision where (brick/server) to fetch
> a file from based on some criteria or it will be bound to a give
> brick/server all the time?
>
> 3. Is a file being downloaded from just one of the gluster servers?
>
> I did some tests, trying to measure network traffic between gluster
> servers and a client using "iptraf" and "gluster volume status Volname
> client", which gave confusing results so I would like someone to clear
> this out for me if possible.
>
> Thank you!
> Kal
>
>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>

-- 

Kaleb