[Gluster-users] GlusterFS in comparison with NFSv4

Klemens Kittan klemens.kittan at cs.uni-potsdam.de
Tue May 31 09:46:57 UTC 2016


I have also made measurements with the built-in NFS server. They were not particularly better.

dd if=/dev/zero of=/mnt/gfs/home/benchmark bs=1G count=1 oflag=direct
442 MB/s

dbench -D /mnt/gfs/home -t 1800 10
Throughput 66.2253 MB/sec 10 clients 10 procs max_latency=310.230 ms

> Depending on what you plan to do on it, might be better to use
> NFS to mount the volume rather than the gluster fuse client.
> Did you try this ? You can usually mount it with something like this :
> 
> mount -t nfs gluster-node.com:/volume_name /mnt/mountpoint
> 
> On Tue, May 31, 2016 at 10:43:47AM +0200, Klemens Kittan wrote:
> > Hello,
> > 
> > For our cluster I've tried different Cluster File System. GlusterFS I
> > noticed positively by its simple configuration.
> > 
> > 
> > This is my setup:
> > 
> > GlusterFS Server: Dell PowerEdge R630 + MD1200
> > Debian:	8.4
> > GlusterFS: 3.5.2
> > Network: Infiniband
> > 
> > Create the volume (Distributed Volume):
> > gluster volume create home-vol transport tcp,rdma \
> > gluster01.ib.cluster:/srv/glusterfs/home/brick1/brick
> > 
> > On the same setup I have previously placed an NFSv4 server and made
> > various measurements. In comparison, GlusterFS performs very poorly. Is
> > it possible with GlusterFS to reach the bandwidth of NFSv4?
> > 
> > 
> > These are my measurements:
> > 
> > NFSv4: 
> > dd if=/dev/zero of=/mnt/gfs/home/benchmark bs=1G count=1 oflag=direct
> > 706 MB/s
> > 
> > dbench -D /mnt/gfs/home -t 1800 10
> > Throughput 241.034 MB/sec 10 clients 10 procs max_latency=25.370 ms
> > 
> > GlusterFS:
> > dd if=/dev/zero of=/mnt/gfs/home/benchmark bs=1G count=1 oflag=direct
> > 356 MB/s
> > 
> > dbench -D /mnt/gfs/home -t 1800 10
> > Throughput 45.1128 MB/sec 10 clients 10 procs max_latency=50.154 ms
> > 
> > 
> > Thank you very much,
> > Klemens
> > 
> > -- 
> > Klemens Kittan
> > Systemadministrator
> > 
> > University of Potsdam
> > Institute for Computer Science
> > August-Bebel-Str. 89
> > 14482 Potsdam
> > 
> > Tel.    : +49-331-9773125
> > Fax.    : +49-331-9773122
> > Email   : klemens.kittan at cs.uni-potsdam.de
> > XMPP    : kittan at jabber.ccc.de
> > 
> > gpg --recv-keys --keyserver pgp.mit.edu 6EA09333
> 
> 
> 
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> > Gluster-users at gluster.org
> > http://www.gluster.org/mailman/listinfo/gluster-users
> 
> 
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-- 
Klemens Kittan
Systemadministrator

University of Potsdam
Institute for Computer Science
August-Bebel-Str. 89
14482 Potsdam

Tel.    : +49-331-9773125
Fax.    : +49-331-9773122
Email   : klemens.kittan at cs.uni-potsdam.de
XMPP    : kittan at jabber.ccc.de

gpg --recv-keys --keyserver pgp.mit.edu 6EA09333
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