[Gluster-users] Gluster native client very slow

[Vijay Bellur]

On 09/06/2013 05:46 PM, Olivier Desport wrote:
> Hello,
>
> I'm testing a two nodes glusterfs distributed cluster (version 3.3.1-1)
> on Debian 7. The two nodes write on the same iscsi volume on a SAN.
>
> When I try to write an 1G file with dd, I have the following results :
>
> NFS : 107 Mbytes/s
> Gluster client : 8 Mbytes/sec
>

What is the block size being used with dd? With smaller block sizes, 
write throughput on native client would be low. If a bigger block size 
like 128 KB is used, the throughput would be better.

-Vijay

> My /etc/fstab on the client :
>
> /etc/glusterfs/cms.vol /data/cms glusterfs defaults 0 0
>
> I'd like to use the gluster protocol because it can give me HA. Can you
> help me to increase the perfs ?
>
> Thanks.
>
>
>
>
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