Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 10 Nov 2005 07:48:14 -0500
From:      Mike Jakubik <mikej@rogers.com>
To:        Robert Watson <rwatson@FreeBSD.org>
Cc:        freebsd-performance@freebsd.org, Arkadi Shishlov <arkadi@mebius.lv>
Subject:   Re: Poor Samba throughput on 6.0
Message-ID:  <4373418E.1080907@rogers.com>
In-Reply-To: <20051110090429.J33260@fledge.watson.org>
References:  <70e8236f0511050457s5ce6d8batf805fbc9edd91360@mail.gmail.com>	<20051109060931.GD5188@obiwan.tataz.chchile.org>	<70e8236f0511090517g29b3f887x1b97ef5dec04548@mail.gmail.com>	<70e8236f0511090627p24c90400ke39bdb0da222a323@mail.gmail.com>	<4372184C.10809@mebius.lv> <43727712.4020500@rogers.com> <20051110090429.J33260@fledge.watson.org>

next in thread | previous in thread | raw e-mail | index | archive | help
Robert Watson wrote:
> There are a number of TCP related configuration frobs on FreeBSD.  It 
> would be quite interesting to know how modifying each of the following 
> settings affects Samba performance:
>
> net.inet.tcp.delayed_ack
> net.inet.tcp.sack.enable
> net.inet.tcp.inflight.enable
>
> There has been recent evidence that the inflight bandwidth calculation 
> is having problems generating stable performance at high bandwidth and 
> low latency, so I might try that one first.
I get about ~3MB/s extra, and a 16MB/s peak, with inflight disabled, 
when downloading from the FreeBSD server to WindowsXP. An improvement, 
but still not a desirable result. The other variables do not seem to 
make much of a difference.



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4373418E.1080907>