[Samba] performance transfer (samba VS ftp)

Volker Lendecke Volker.Lendecke at SerNet.DE
Fri Sep 17 23:44:30 MDT 2010

On Sat, Sep 18, 2010 at 12:22:53AM -0500, Stan Hoeppner wrote:
> Pol Hallen put forth on 9/15/2010 9:36 AM:
> > debian stable (samba version 2:3.2.5-4lenny9)
> > 
> > from clients by ftp the transfer of huge file is about 10/11Mb/s (with an 
> > ethernet 10/100)
> > 
> > by samba came 5/6Mb/s
> > 
> > is it correct?
> Good luck.  It appears that tuning smbd and clients, both Windows and
> smbclient, to get anywhere close to wire speed is somewhat of a black
> art.  I asked the same question many months ago, and dropped the subject
> after Jeremy said it had to be a problem with the W2K redirector.  Funny
> thing is, that same W2K redirector can pull at almost wire speed from a
> WinXP box.  The most I've ever been able to get out of smbd is ~8MB/s.
> I'm running 3.2.5-4lenny12.  To get anything better than that I'll have
> to go to GigE.  I probably won't get anywhere close to wire speed, but I
> should get at least 30-40MB/s, which is 4-5 times what I get now, and
> would thus be a huge improvement for relatively little cost--a few NICs
> and a decent desktop GigE switch can be had for around $100 USD.  Even
> without using jumbo frames this would be a huge improvement over 100FDX.

As always: What about get/put of large files with smbclient, >= 3.2?


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