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

Kaleb S. KEITHLEY kkeithle at redhat.com
Wed Sep 11 17:49:00 UTC 2013


On 09/11/2013 10:58 AM, Kaleb S. KEITHLEY wrote:
> On 09/11/2013 10:41 AM, Kal Black wrote:
>
>>
>> I used iptraf on the gluster servers and gluster client, and the results
>> showed that the client box is getting very close to double the total
>> size of the files being requested (once from each gluster server)
>
> All the servers send a reply. If the files are small I'm not surprised
> that the traffic is double for a replica 2 volume (triple for a replica
> 3 volume).
>
> The clients are going to ignore responses from all but one server.
>

I've been corrected. ;-)

The client sends a LOOKUP to all bricks. All servers will respond. The 
first response the client gets dictates which server it will send 
subsequent STAT, READ, etc., calls to.

-- 

Kaleb



More information about the Gluster-users mailing list