netdev - Re: TCP_STREAM performance regression on commit b3613118

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Message-ID: <1330691295.2469.1.camel@edumazet-laptop>
Date:	Fri, 02 Mar 2012 04:28:15 -0800
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Alex Shi <alex.shi@...el.com>
Cc:	David Miller <davem@...emloft.net>, feng.tang@...el.com,
	linux-kernel@...r.kernel.org, tim.c.chen@...el.com,
	ying.huang@...el.com, netdev@...r.kernel.org
Subject: Re: TCP_STREAM performance regression on commit b3613118

Le vendredi 02 mars 2012 à 14:37 +0800, Alex Shi a écrit :
> On Thu, 2012-03-01 at 22:07 -0500, David Miller wrote:
> > From: Alex Shi <alex.shi@...el.com>
> > Date: Fri, 02 Mar 2012 10:45:17 +0800
> > 
> > > Add CC to tang feng, He is working on this issue. 
> > 
> > Is he?  I'm pretty sure this is due to the TCP receive window growing
> > issue Eric Dumazet, Neal Cardwell and I are discussing in the thread
> > starting at:
> > 
> > http://marc.info/?l=linux-netdev&m=132916352815286&w=2
> 
> That's great! 
> May my language make you confusing. Actually, Feng is doing
> investigation on this issue. Since you fund out the reason, it saved his
> work. :) 
> 

Actually it would be great if you or Feng could post the exact tests
done and numbers so that we can make sure this is the tracked issue.

Thanks


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