[Gluster-devel] High load on glusterfs!!

[ABHISHEK PALIWAL]

Do we have ACL support on nfs-ganesha?

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
>
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