Le 06/09/2013 15:22, Olivier Desport a ?crit : > > > > > 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 > > I tried with bs=128k and the write speed is 222 MBytes/s ! > >> >>> 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 >>> >> > > > > _______________________________________________ > 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/d5cdb4d9/attachment.html>
