Hi, I have an 2 nodes with 20 bricks in total (10+10). First test: 2 Nodes with Distributed – Striped – Replicated (2 x 2) 10GbE Speed between nodes “dd” performance: 400mb/s and higher Downloading a large file from internet and directly to the gluster: 250-300mb/s Now same test without Stripe but with sharding. This results are same when I set shard size 4MB or 32MB. (Again 2x Replica here) Dd performance: 70mb/s Download directly to the gluster performance : 60mb/s Now, If we do this test twice at the same time (two dd or two doewnload at the same time) it goes below 25/mb each or slower. I thought sharding is at least equal or a little slower (maybe?) but these results are terribly slow. I tried tuning (cache, window-size etc..). Nothing helps. GlusterFS 3.11 and Debian 9 used. Kernel also tuned. Disks are “xfs” and 4TB each. Is there any tweak/tuning out there to make it fast? Or is this an expected behavior? If its, It is unacceptable. So slow. I cannot use this on production as it is terribly slow. The reason behind I use shard instead of stripe is i would like to eleminate files that bigger than brick size. Thanks, Gencer. |
_______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://lists.gluster.org/mailman/listinfo/gluster-users
