> > I ran a basic test by writing 1G to an NFS server and this gluster pair: > [r...@glust1 ~]# time dd if=/dev/zero of=/mnt/glust2_nfs/nfs_test > bs=65536 count=15625 > 15625+0 records in > 15625+0 records out > 1024000000 bytes (1.0 GB) copied, 1718.16 seconds, 596 kB/s > > real 28m38.278s > user 0m0.010s > sys 0m0.650s > [r...@glust1 ~]# time dd if=/dev/zero of=/mnt/glust/glust_test bs=65536 > count=15625 > 15625+0 records in > 15625+0 records out > 1024000000 bytes (1.0 GB) copied, 3572.31 seconds, 287 kB/s > > real 59m32.745s > user 0m0.010s > sys 0m0.010s >
The default block size in which dd operates is 512 bytes, which used to be fine for local disks long ago, and has always been disastrous for network filesystems. Please use a bigger block size (like 64KB or higher) and rerun your tests. We would also suggest you to try our latest 2.0.3 release. Avati _______________________________________________ Gluster-users mailing list Gluster-users@gluster.org http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users