Le 06/09/2013 15:15, Vijay Bellur a ?crit : > 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 The block size is 1k : dd if=/dev/zero of=/data/cms/500m-client-gluster-2 bs=1k count=500000 > >> 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. >> >> >> >> >> _______________________________________________ >> Gluster-users mailing list >> Gluster-users at gluster.org >> http://supercolony.gluster.org/mailman/listinfo/gluster-users >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://supercolony.gluster.org/pipermail/gluster-users/attachments/20130906/eaa7c233/attachment.html>
