[Gluster-users] [Gluster-devel] High load on glusterfs!!

[Niels de Vos]

On Wed, Aug 30, 2017 at 03:12:40PM +0530, ABHISHEK PALIWAL wrote:
> Do we have ACL support on nfs-ganesha?

Yes, ACLs can be used with NFS-Ganesha, and many more features that are
not in Gluster/NFS.

Niels


> 
> On Aug 30, 2017 3:08 PM, "Niels de Vos" <ndevos at redhat.com> wrote:
> 
> > On Wed, Aug 30, 2017 at 01:52:59PM +0530, ABHISHEK PALIWAL wrote:
> > > What is Gluster/NFS and how can we use this.
> >
> > Gluster/NFS (or gNFS) is the NFS-server that comes with GlusterFS. It is
> > a NFSv3 server and can only be used to export Gluster volumes.
> >
> > You can enable it:
> >  - install the glusterfs-gnfs RPM (glusterfs >= 3.11)
> >  - the glusterfs-server RPM might contain the NFS-server (glusterfs < 3.11)
> >  - build with "./configure --enable-gnfs"
> >  - enable per volume with: gluster volume set $VOLUME nfs.disable false
> >  - logs are in /var/log/gluster/nfs.log
> >
> > But really, NFS-Ganesha is the recommendation. It has many more features
> > and will receive regular updates for improvements.
> >
> > Niels
> >
> >
> > >
> > > On Wed, Aug 30, 2017 at 1:24 PM, Niels de Vos <ndevos at redhat.com> wrote:
> > >
> > > > On Thu, Aug 17, 2017 at 12:03:02PM +0530, ABHISHEK PALIWAL wrote:
> > > > > Hi Team,
> > > > >
> > > > > I have an query regarding the usage of ACL on gluster volume. I have
> > > > > noticed that when we use normal gluster volume (without ACL) CPU
> > load is
> > > > > low, but when we apply the ACL on gluster volume which internally
> > uses
> > > > Fuse
> > > > > ACL, CPU load gets increase about 6x times.
> > > > >
> > > > > Could you please let me know is this expected or we can do some other
> > > > > configuration to reduce this type of overhead on gluster volume with
> > > > ACLs.
> > > > >
> > > > > For more clarification we are using kernel NFS for exporting the
> > gluster
> > > > > volume.
> > > >
> > > > Exporting Gluster volumes over FUSE and kernel NFS is not something we
> > > > suggest and test. There are (or at least were) certain limitations in
> > > > FUSE that prevented good support for this.
> > > >
> > > > Please use NFS-Ganesha instead, that is the NFS server we actively
> > > > develop with. Gluster/NFS is still available too, but is only receiving
> > > > the occasional fixes and is only suggested for legacy users that did
> > not
> > > > move to NFS-Ganesha yet.
> > > >
> > > > HTH,
> > > > Niels
> > > >
> > >
> > >
> > >
> > > --
> > >
> > >
> > >
> > >
> > > Regards
> > > Abhishek Paliwal
> >