Have you brought this up with Red Hat Support? That is what you pay them for. Jung Young Seok <jung.youngseok at gmail.com> wrote: >I've wrote below email. However it seems I missed mail key word rule on >subject. >So I'm sending it again. >Please check the below mail and any response will be helpful. >Thanks, >2013. 10. 25. ?? 6:01? "Jung Young Seok" <jung.youngseok at gmail.com>?? >??: > > >Dear GlusterFS Engineer, > >I have questions that my glusterfs server and fuse client >perform properly on below specification. > >It can write only *65MB*/s through FUSE client to 1 glusterfs server (1 >brick and no replica for 1 volume ) > - NW bandwidth are enough for now. I've check it with iftop > - However it can write *120MB*/s when I mount nfs on the same volume. > >Could anyone check if the glusterfs and fuse client perform properly? > > >Detail explanations are below. >======================================================================= >I've set 4 glusterfs servers and 1 fuse client. >Each spec is as followings. > >*Server x 4* > - CPU : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz (2 cpu * 4 core) > - Memory : 32GB > - HDD (3TB 7.2K RPM SATA x 14 ) > * RAID6(33T) > * XFS > - OS : RHS 2.1 > - 4 Gluster Server will be used 2 replica x 2 distributed as 1 volume > - NW 1G for replica > - NW 1G for Storage and management No need. The fuse client connects to all the servers. Replication happens from the client. > - Current active profile: rhs-high-throughput > >*FUSE Client (gluster 3.4)* > - CPU : Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz > - Memory : 32GB > - OS : CentOS6.4 > - NW 2G for Storage (NIC bonding) > >All server will be in 10G network. (for now 1G network) > > >I've tested to check primitive disk performance. > - on first glusterfs server >* it can write 870MB/s (dd if=/dev/zero of=./dummy bs=4096 count=10000) > * it can read 1GB/s (cat test_file.23 > /dev/null ) > - on fuse client (mount volume : 1 brick(1dist, no-replica) > * it can write 64.8MB/s > - on nfs client (mount volume : 1 brick(1dist, no-replica) > * it can write 120MB/s (it reached NW bandwith My usual question here is how does dd represent your expected use case? Are you comparing apples to orchards? > > >I wonder why fuse client much slower than nfs client. (it's no-replica peer) >Is it normal performance? I always max out my network connection with the fuse client, so no. It's not normal.