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Date:      Fri, 20 Jul 2007 17:58:39 +0200
From:      =?iso-8859-1?Q?St=E5le?= Kristoffersen <staale@kristoffersen.ws>
To:        Andrew Gallatin <gallatin@cs.duke.edu>
Cc:        current@freebsd.org
Subject:   Re: Slow networkperformance in current?
Message-ID:  <20070720155839.GA2241@eschew.pusen.org>
In-Reply-To: <18079.31350.366410.316438@grasshopper.cs.duke.edu>
References:  <20070716190441.GA19282@eschew.pusen.org> <b1fa29170707161247r1a9421cbxf4ec9be1e4c63f7d@mail.gmail.com> <20070716213425.GB19282@eschew.pusen.org> <b1fa29170707161553k356f5ee6vf80dfee7831fc3e0@mail.gmail.com> <20070716233600.GC19282@eschew.pusen.org> <18079.31350.366410.316438@grasshopper.cs.duke.edu>

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On 2007-07-19 at 10:51, Andrew Gallatin wrote:
> 
> Ståle Kristoffersen writes:
>  > On 2007-07-16 at 15:53, Kip Macy wrote:
>  > > Please post the config you are using.
>  > 
>  > lrwxr-xr-x  1 root  wheel     2B Apr 12 15:42 /etc/malloc.conf -> aj
>  > 
>  > /etc/sysctl.conf:
>  > vfs.vmiodirenable=1
>  > net.inet.tcp.delayed_ack=0
>  > net.inet.ip.forwarding=1
>  > net.inet.tcp.inflight.enable=0
>  > 
>  > (I have tried commenting out all those lines, no difference.
> 
> You definately want to comment out at least net.inet.tcp.delayed_ack=0

Ok, didn't do much for the speed.

> Try temporarily setting net.inet.tcp.sendbuf_auto=0 and
> net.inet.tcp.recvbuf_auto=0 and see if that changes anything.
> 
> I've seen strange issues with IPv6 and the automatic buffer sizing,
> perhaps you're somehow running into the same thing with IPv4.

No change in the speed.

-- 
Ståle Kristoffersen
staalebk@ifi.uio.no



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