Poor Samba throughput on 6.0

Nick Evans nevans at talkpoint.com
Wed Nov 9 14:36:38 PST 2005

On Wed, 09 Nov 2005 17:24:18 -0500
Mike Jakubik <mikej at rogers.com> wrote:

> Arkadi Shishlov wrote:
> > Joao Barros wrote:
> >   
> >> On a P4 3.06GHz with HTT enabled and ULE I get the same results.
> >> I get a flat line at 58% looking at the bandwith in task manager on a
> >> Windows 2003 Server while doing a cached read.
> >> I can get up to 70% bandwith during writes.
> >> Percentages are relative to 100Mbits bandwith.
> >>     
> >
> > Are you able to get better throughput from different version of FreeBSD or
> > different OS (Linux) with Samba?
> >   
> I have done many tests to try to determine the poor performance on my 
> systems (FreeBSD-current connected directly to Windows XP via identical 
> Intel Pro 1000 cards) and my only conclusion is that Samba on FreeBSD 
> when talking to a Windows box is simply fubared. Im willing to bet thats 
> not the case on Linux. I can get great speeds (~30MB/s) using ftp 
> between the machines, but when i use Samba, i get a maximum of 11MB/s. I 
> have tried playing with mtu size, samba options, polling, but there does 
> not seem to be any visible bottlenecks, its just simply slow. It would 
> be great if someone could get to the bottom of this, its quite frustrating.

Has anyone tried mounting a FreeBSD/Samba share with smbfs from another
FreeBSD machine? Also are the Windows PC's stock or have you tried tweaking
TCP there?

More information about the freebsd-performance mailing list