Here's the link: http://community.gluster.org/a/nfs-performance-with-fuse-client-redundancy/ Sent again with a reply to all. Gerald ----- Original Message ----- > From: "Christian Meisinger" <eM_gotcha at gmx.net> > To: "olav johansen" <luxis2012 at gmail.com> > Cc: gluster-users at gluster.org > Sent: Thursday, June 7, 2012 7:00:14 AM > Subject: Re: Performance optimization tips Gluster 3.3? (small files / directory listings) > > Hello there. > > > That's really interesting, because we think about using GlusterFS too > with a > similar setup/scenario. > > I read about a really strange setup with GlusterFS native client > mount on > the web servers and NFS mount on top of that so you get GlusterFS > failover + > NFS caching. > Can't find the link right now. > > > ----- Original Message ----- > From: "olav johansen" <luxis2012 at gmail.com> > To: gluster-users at gluster.org > Sent: Thursday, June 7, 2012 8:02:14 AM > Subject: Performance optimization tips Gluster 3.3? > (small > files / directory listings) > > > Hi, > > I'm using Gluster 3.3.0-1.el6.x86_64, on two storage nodes, > replicated mode > (fs1, fs2) Node specs: CentOS 6.2 Intel Quad Core 2.8Ghz, 4Gb ram, > 3ware > raid, 2x500GB sata 7200rpm (RAID1 for os), 6x1TB sata 7200rpm (RAID10 > for > /data), 1Gbit network > > I've it mounted data partition to web1 a Dual Quad 2.8Ghz, 8Gb ram, > using > glusterfs. (also tried NFS -> Gluster mount) > > We have 50Gb of files, ~800'000 files in 3 levels of directories (max > 2000 > directories in one folder) > > My main problem is speed of directory indexes "ls -alR" on the > gluster mount > takes 23 minutes every time. > > It don't seem like any directory listing information cache, with > regular NFS > (not gluster) between web1<->fs1, this takes 6m13s first time, and > 5m13s > there after. > > Gluster mount is 4+ times slower for directory indexing performance > vs pure > NFS to single server, is this as expected? > I understand there is a lot more calls involved checking both nodes > but I'm > just looking for a reality check regarding this. > > Any suggestions of how I can speed this up? > > Thanks, > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users > > _______________________________________________ > Gluster-users mailing list > Gluster-users at gluster.org > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users >
