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From: David Miller <davem@davemloft.net>
To: andi@firstfloor.org
Cc: md@bts.sk, netdev@vger.kernel.org
Subject: Re: TCP rx window autotuning harmful at LAN context
Date: Wed, 11 Mar 2009 06:30:58 -0700 (PDT)	[thread overview]
Message-ID: <20090311.063058.236235660.davem@davemloft.net> (raw)
In-Reply-To: <87bps8fkaw.fsf@basil.nowhere.org>

From: Andi Kleen <andi@firstfloor.org>
Date: Wed, 11 Mar 2009 11:03:35 +0100

> Perhaps this points to the default buffer sizing heuristics to 
> be too aggressive for >= 1GB?

It's necessary Andi, you can't fill a connection on a trans-
continental connection without at least a 4MB receive buffer.

Did you read the commit message of the change that increased
the limit?

  parent reply	other threads:[~2009-03-11 13:31 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-09 11:25 TCP rx window autotuning harmful at LAN context Marian Ďurkovič
2009-03-09 18:01 ` John Heffner
2009-03-09 20:05   ` Marian Ďurkovič
2009-03-09 20:24     ` Stephen Hemminger
2009-03-10  0:09     ` David Miller
2009-03-10  0:34       ` Rick Jones
2009-03-10  3:55         ` John Heffner
2009-03-10 17:20           ` Rick Jones
2009-03-11 10:03       ` Andi Kleen
2009-03-11 11:03         ` Marian Ďurkovič
2009-03-11 13:30         ` David Miller [this message]
2009-03-11 15:01           ` Andi Kleen
2009-03-11 14:56             ` Marian Ďurkovič
2009-03-11 15:34             ` John Heffner
     [not found]   ` <20090309195906.M50328@bts.sk>
2009-03-09 20:23     ` John Heffner
2009-03-09 20:33       ` Stephen Hemminger
2009-03-09 23:52       ` David Miller
2009-03-10  0:09         ` John Heffner
2009-03-10  5:19           ` Eric Dumazet
     [not found]       ` <20090310104956.GA81181@bts.sk>
2009-03-10 11:30         ` David Miller
2009-03-10 11:46           ` Marian Ďurkovič
2009-03-10 15:23             ` John Heffner
2009-03-10 16:00               ` Marian Ďurkovič
2009-03-10 16:18                 ` David Miller
2009-03-11  8:29                   ` Marian Ďurkovič
2009-03-11  8:41                     ` David Miller
2009-03-11  9:05                       ` Marian Ďurkovič
2009-03-11  9:11                       ` Eric Dumazet
2009-03-11 13:25                         ` David Miller
2009-03-11  9:02 ` Rémi Denis-Courmont

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