Thanks. For small files and random I/O, nfs has been recommended over fuse. Would pNFS, with multiple MDS'es in the future, be the recommended approach for small files ?
On Wed, Aug 12, 2015 at 11:03 PM, Soumya Koduri <[email protected]> wrote: > It depends on the workload. Like native NFS, even with NFS-Ganesha, data > is routed through the server where its mounted from. In addition NFSv4.x > protocol adds more complexity and cannot be directly compared with NFSv3 > traffic. However with pNFS, I/O is routed to data servers directly by the > NFS clients which results in performance gain for larger I/O workloads. > Also we do have plan to support multiple metadata servers going forward. > > Thanks, > Soumya > > ----- Original Message ----- > From: "Prasun Gera" <[email protected]> > To: "Joe Julian" <[email protected]> > Cc: [email protected] > Sent: Thursday, August 13, 2015 2:55:17 AM > Subject: Re: [Gluster-users] ganesha BFS > > And do either of them perform better than fuse mounts ? With native nfs, > all data is routed through the server where it's mounted from, which makes > HA and load balancing difficult. For pNFS, there is a single metadata > server. How does that affect HA and load ? I thought one of the main goals > of gluster was decentralized metadata. Where do the four options (fuse, > native nfs, nfsv4, pnfs ) stand in terms of benefits and disadvantages ? > > > On Wed, Aug 12, 2015 at 11:26 AM, Joe Julian < [email protected] > > wrote: > > > > nfs-ganesha is a much more feature rich nfs server that uses libgfapi to > access the gluster volume in userspace. This userspace solution avoids the > context switches like the native gluster nfs does, but adds support for > pnfs/nfsv4 and udp. > > From the development standpoint, they have a full set of developers > working only on and focused only on their nfs server whereas the gluster > version was implemented as a stop-gap to provide a solution where the > kernel nfs re-share was failing. > > I think nfs-ganesha is a better solution. There is integration work being > done in glusterfs to make its use seamless, so I suspect that's the > long-term nfs solution that will eventually replace gluster's native nfs. > > > On 08/12/2015 09:54 AM, [email protected] wrote: > > > > Hello Dears, > > can anybody explain advanteges / disadvantages of Ganesha NFS ?? > Will U reccomend me go through this way ?? > ( 4 node glusterFS ) > regs. > Pavel > > > > _______________________________________________ > Gluster-users mailing list [email protected] > http://www.gluster.org/mailman/listinfo/gluster-users > > > _______________________________________________ > Gluster-users mailing list > [email protected] > http://www.gluster.org/mailman/listinfo/gluster-users > > > _______________________________________________ > Gluster-users mailing list > [email protected] > http://www.gluster.org/mailman/listinfo/gluster-users >
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