dd is a single-threaded operation. To test GlusterFS (or any clustered file system) to it's fullest, you need a (highly) multi-threaded test. -Dan ---------------- Dan Mons Unbreaker of broken things Cutting Edge http://cuttingedge.com.au On 29 September 2014 23:54, Demeter Tibor <tdemeter@xxxxxxxxxx> wrote: > > Hi, > > I made short tests with glusterfs and bonding, but I have performance > issues. > > Environment: > > - bonding mode=4 (with switch support) or mode=6 > - centos7 > - vlans > - two servers with 4 nic/node, one nic on the internet (this is the default > route) and 3 nic as bonded interface > - MTU 9000 on all interface (bondings, vlans, eths, etc), MTU 9216 on the > switch ports > - each host vlan-s can ping each host on the vlan subnets and on the non > vlan subnets. > - the volume uses the bonded vlans as bricks > > [root@node1 lock]# gluster vol info > > Volume Name: meta > Type: Replicate > Volume ID: f4d026e7-3edd-442f-9207-f0a849acebf5 > Status: Started > Number of Bricks: 1 x 2 = 2 > Transport-type: tcp > Bricks: > Brick1: gs00.itsmart.cloud:/gluster/meta0 > Brick2: gs01.itsmart.cloud:/gluster/meta1 > > > > I did this test: > > [root@node0 lock]# dd if=/dev/zero of=/mnt/lock/disk bs=1M count=1000 > conv=fdatasync > 1000+0 records in > 1000+0 records out > 1048576000 bytes (1,0 GB) copied, 10,3035 s, 102 MB/s > > > I compared with local hdd speed tests: > > > [root@node0 lock]# dd if=/dev/zero of=/home/disk bs=1M count=1000 > conv=fdatasync > 1000+0 records in > 1000+0 records out > 1048576000 bytes (1,0 GB) copied, 3,04411 s, 344 MB/s > > > Ok, I mean this is a network based solution, but I think the 100MB/sec is > possible with one nic too. > > I just wondering, maybe my bonding isn't working fine. > > What do you think, is it ok? > > > The port utilization is minimal, there are two bigger traffic on two ports > only. > > > Thanks in advance. > > > > Tibor > > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users@xxxxxxxxxxx > http://supercolony.gluster.org/mailman/listinfo/gluster-users _______________________________________________ Gluster-users mailing list Gluster-users@xxxxxxxxxxx http://supercolony.gluster.org/mailman/listinfo/gluster-users
