Possibly OT: NFS vs SMB performance

Andrea Venturoli ml at netfence.it
Mon Jul 8 14:25:25 UTC 2013

On 07/07/13 00:52, Adam Vande More wrote:

> http://lists.freebsd.org/pipermail/freebsd-current/2013-January/038903.html

Thanks Adam.

However: I'm using UFS, not ZFS, so the first part is not applicable.

I have an nfe card, not an em; so again, the second part does not apply.
The only tunable in that driver is hw.nfe.msi_disable and 
hw.nfe.msix_disable, which I never tried; I guess I could when I have 
physical access to the box, but again, they are enabled by default and I 
doubt I would get better performance by disabling MSI[-X].
In addition, I don't think I suffer from a NIC bottleneck, given the 
speed of NFS and a "find" shouldn't read the whole files, so shouldn't 
require a lot of bandwidth.

The third section is interesting: still no change, however.
This does not suprise me, since I had extensively tried these (and other 
settings from several Samba howtos) with different values in the past, 
the difference being always quite negligible.

The last thing I'm considering is slowness due to the LDAP backend. This 
is what I'm currently investigating.
All the literature on Samba seems to be quite Linux-centric; that's why 
I asked on the FreeBSD mailing list whether this could be normal.

  bye & Thanks

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