Re: [Development] Fwd: samba tuning

Re: [Development] Fwd: samba tuning

[Michael Tremer]

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Hi,

I guess nobody ever checked them out.

For at least sendfile: I believe that the first kernels that came with
IPFire 2.1 did not have an implementation of sendfile.

I additionally found, that the buffers are set to approx. 8kb which
could also be increased. Supposedly, everyone has got enough of RAM.

Please open a bug to track this feature and prepare a patch.

Michael

On Thu, 2012-03-22 at 10:08 +0100, WhyTea wrote:
> Hi again!
> 
> I've tested it again. Now with 1GBit/s
> 
> without these parameters the write speed is about 23 MByte/s
> withe these parameters the write speed is about 80 MByte/s
> 
> So I ask again, is there any reason why we don't use them?
> 
> - Daniel
> 
> -------- Original-Nachricht -------- 
>                           Betreff: 
> samba tuning
>                             Datum: 
> Wed, 14 Mar 2012 13:34:17 +0100
>                               Von: 
> Daniel Weismüller
> <whytea(a)ipfire.org>
>                        Antwort an: 
> whytea(a)ipfire.org
>                                An: 
> development(a)lists.ipfire.org
> 
> 
> Hi all,
> 
> is there any reason why ipfire don't use the following parameters with 
> samba?
> 
> use sendfile = 1
> aio read size = 1
> aio write size = 1
> 
> I've tested them and it brings my samba-performance from 8,9 MB/s up to 
> 9,2 MB/s (using 100Mbit/s fullduplex)
> 
> - Daniel
> 
> _______________________________________________
> Development mailing list
> Development(a)lists.ipfire.org
> http://lists.ipfire.org/mailman/listinfo/development

Re: [Development] Fwd: samba tuning

[Christian Schmidt]

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Refering to http://www.samba.org/samba/docs/man/manpages-3/smb.conf.5.html

the better and correct syntax is

use sendfile = yes
aio read size = 16384
aio write size = 16384

since sendfile can result in some problems with older clients I´am not 
quite sure about that
The buffers and tcp options can be changed by using the socket option in 
the gui, the detault settings are taken quite conservative

Re: [Development] Fwd: samba tuning

[Michael Tremer]

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On Thu, 2012-03-22 at 11:50 +0100, Christian Schmidt wrote:
> Refering to http://www.samba.org/samba/docs/man/manpages-3/smb.conf.5.html
> 
> the better and correct syntax is
> 
> use sendfile = yes
> aio read size = 16384
> aio write size = 16384
> 
> since sendfile can result in some problems with older clients I´am not 
> quite sure about that

That's a good point. The documentation says there a issues with clients
like Win 9x. Nobody does use that anymore. For those who still do, the
option could be configurable. One still needs to decide what the default
setting is. I would vote for "enabled".

> The buffers and tcp options can be changed by using the socket option in 
> the gui, the detault settings are taken quite conservative

True. Would this be a problem to change that? I don't think we should
expect any regressions by that.

Michael