I guess I am not clear enough :) I am running multiple concurrent threads (in parallel) writing actual files and OVERALL combined throughput (from all the threads) never go above 20MB/s. It's not just running one single dd at a time. gluster volume info all Volume Name: stress-volume Type: Distributed-Replicate Status: Started Number of Bricks: 3 x 2 = 6 Transport-type: tcp Bricks: Brick1: dsdb1:/data/gluster Brick2: dsdb2:/data/gluster Brick3: dsdb3:/data/gluster Brick4: dsdb4:/data/gluster Brick5: dsdb5:/data/gluster Brick6: dsdb6:/data/gluster On Wed, Apr 20, 2011 at 12:09 PM, Joe Landman <landman at scalableinformatics.com> wrote: > On 04/20/2011 02:58 PM, Mohit Anchlia wrote: >> >> Correct. I was referring to gluster performance test that I am running >> using gluster client that spreads the load accross all the servers. >>> >>> From that test I get only 20MB/s not 60MB/s. > > Could you do a > > ? ? ? ?gluster volume info > > so I can see how your volume was built? ?If you didn't use stripe, then > there is no load spreading with a single dd. > > -- > Joseph Landman, Ph.D > Founder and CEO > Scalable Informatics Inc. > email: landman at scalableinformatics.com > web ?: http://scalableinformatics.com > ? ? ? http://scalableinformatics.com/sicluster > phone: +1 734 786 8423 x121 > fax ?: +1 866 888 3112 > cell : +1 734 612 4615 >
