[Samba] Slow and unpredictable Samba performance?

Dennis Clarke dclarke at blastwave.org
Tue Aug 26 19:30:39 GMT 2008

> On Tuesday 26 August 2008 19:23:19 Charles Marcus wrote:
>> Max theortetical speed over a 100Mb network is 12.5MB, so 7.5-8.5 isn';t
>> all that bad...
> Yes, I know that, but Windows Servers reach peak at around 10.5-11 MB/s.
> Also,
> If I switch to CSW Samba, transfer rates are almost exact (11MB/s).
> Then we switched server to 1Gbit interface, and Samba only manage to
> preform
> around 23MB/s. Theoretical limit is 125 MB/s, and again - CSW Samba on the
> same machine in the same conditions transfers files at 44MB/s (which is
> approximate limit of a local hard drive of a workstation).
> So obviously, Sun's Samba has some issues.
> On the other hand, I'm not satisfied with Blastwave's (CSW) Samba either.
> It
> has old SysV init script and not SVC method like it is supposed to on
> Solaris
> 10, and next problem is nmbd/winbindd don't have their scripts at all. I
> have
> to start them manually. I mean, CSW is a huge pain to maintain / configure
> /
> integrate but preforms well, while Sun's is completely oposite :(
> And I'm really keen to solve this one. I just can't get it - how can one
> Samba
> have issues with transfer rates, and another one not, with the same exact
> configuration?

Well you have my attention .. too bad you don't have a purchase order. :-)

What are your problems with the new CSWsamba .. please be specific.

Dennis Clarke

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