Subject: Re: Poor network performance x86_64.. also with 3.13

From: Borislav Petkov <[email-masked]>
Date: Sun, 9 Feb 2014 16:31:07 +0100

On Sun, Feb 09, 2014 at 04:05:11PM +0100, Daniel Exner wrote:
> > cat /etc/sysctl.d/net.conf
> > net.ipv4.tcp_window_scaling = 1
> > net.core.rmem_max = 16777216
> > net.ipv4.tcp_rmem = 4096 87380 16777
> > net.ipv4.tcp_wmem = 4096       1638
> 
> After removing those values I finally had sane iperf values.
> No idea how those got there, perhaps they made sense when I first setup
> the box, which is some years ago..

The only question that is left to clarify now is why do those values
have effect on 3.12.x and not on 3.10...

-- 
Regards/Gruss,
    Boris.

Sent from a fat crate under my desk. Formatting is fine.
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