[Gluster-devel] Has anyone... pure nfs replacement
Craig Tierney
Craig.Tierney at noaa.gov
Wed May 7 16:57:57 UTC 2008
Brandon Lamb wrote:
> Has anyone replaced nfs with glusterfs using no afr/unify, just a pure
> nfs replacement?
>
> I ask this as a way to take a baby step into using glusterfs, first
> going from nfs to glusterfs, then when these quirks that are going
> around in recent threads about afr are worked out switching to
> replication.
>
> BUT, original most important question, anyone seen that glusterfs is
> faster, better than using an nfs server?
>
>
I have seen good streaming performance from glusterfs that would exceed
my NFS servers. However, since I did not run glusterfs on the exact
same hardware, I cannot say for certain that it is better.
I will need someone else to explain this further, but my important
tasks that run on NFS (compiling), NFS is still faster. For instance,
compiling a current linux kernel takes about 400 seconds on NFS, but
about 1100 on GlusterFS. I think this has to do with client-side
write caching, but I am not positive. I have tried different translators
on the client to try and improve the compiling performance, but
have had no success.
I would be interesting in understanding better what is going
on and if it is fixable.
Craig
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--
Craig Tierney (craig.tierney at noaa.gov)
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