2016-07-07 14:04 GMT+02:00 Lindsay Mathieson <lindsay.mathieson@xxxxxxxxx>: > The default shard size is 4MB, I'd tend towards a larger one which improves > write speed. For my VM cluster I use shardsize = 64MB > > nb. To change the shardsize you should recreate the volume. I did more test. Is not a shard issue, with shard enabled: # dd if=/dev/zero of=/mnt/glusterfs/zero1 bs=1M count=1000 1000+0 record dentro 1000+0 record fuori 1048576000 byte (1,0 GB) copiati, 93,8803 s, 11,2 MB/s With shard disabled: # dd if=/dev/zero of=/mnt/glusterfs/zero2 bs=1M count=1000 1000+0 record dentro 1000+0 record fuori 1048576000 byte (1,0 GB) copiati, 100,051 s, 10,5 MB/s mostly the same. # iperf -c 1.2.3.4 ------------------------------------------------------------ Client connecting to 1.2.3.4, TCP port 5001 TCP window size: 85.0 KByte (default) ------------------------------------------------------------ [ 3] local 1.2.3.5 port 34357 connected with 1.2.3.4 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.10 GBytes 943 Mbits/sec _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://www.gluster.org/mailman/listinfo/gluster-users
