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Date:      Thu, 26 Oct 2000 08:37:37 +0200 (SAT)
From:      John Hay <jhay@icomtek.csir.co.za>
To:        phk@critter.freebsd.dk (Poul-Henning Kamp)
Cc:        jhay@icomtek.csir.co.za (John Hay), jwd@FreeBSD.ORG (John W. De Boskey), freebsd-current@FreeBSD.ORG
Subject:   Re: ftp vs. nfs install times
Message-ID:  <200010260637.e9Q6bbK53295@zibbi.icomtek.csir.co.za>
In-Reply-To: <35311.972540689@critter> from Poul-Henning Kamp at "Oct 26, 2000 08:11:29 am"

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> >> 
> >>    I've tested last nights make release built
> >> install via both ftp and nfs and am seeing
> >> some rather strange results timeing wise:
> >> 
> >>    A full install (ie: select ALL) w/ ports.
> >> 
> >>    NFS:  about 18 minutes. (ave. about 1000KB/sec)
> >> 
> >>    FTP:  about 70 minutes. (ave. about 45KB/sec)
> >> 
> >
> >Maybe just as a datapoint. My -current snap building machine is running
> >a kernel of Oct 24 and I noticed this morning that it is taking a very
> >long time to scp the snap to internat.
> 
> Try disabling newreno in both ends:
> 
> 	sysctl -w net.inet.tcp.newreno=0
> 
> On my laptop with Wavelan cards this increases TCP throughput by a
> factor of 5.

Yes, that makes a HUGE difference. I only did it on the current box.
Internat is still running 4.x and don't have it. I think it made more
than a factor of 5 difference here. :-)

John
-- 
John Hay -- John.Hay@icomtek.csir.co.za


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