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From: Chris Friesen <chris.friesen@genband•com>
To: David Miller <davem@davemloft•net>
Cc: fubar@us•ibm.com, rick.jones2@hp•com, netdev@vger•kernel.org
Subject: Re: small RPS cache for fragments?
Date: Mon, 06 Jun 2011 16:49:22 -0600	[thread overview]
Message-ID: <4DED5972.6020507@genband.com> (raw)
In-Reply-To: <20110606.144026.1544243502220840783.davem@davemloft.net>

On 06/06/2011 03:40 PM, David Miller wrote:
> From: Jay Vosburgh<fubar@us•ibm.com>
> Date: Mon, 06 Jun 2011 14:06:09 -0700
>
>> 	Right, the common use case for balance-rr (round robin) is to
>> maximize TCP throughput for one connection, over a set of whatever
>> network devices are available (or are cheap) by striping that connection
>> across multiple interfaces.  The tcp_reordering sysctl is set to some
>> large value so that TCP will deal with the reordering as best it can.
>
> FWIW, I really would never, ever, encourage schemes like this.  Even
> if they do happen to work.

Why not?  And if not then what's the recommended way to handle the above 
scenario?  (Assuming hardware upgrade isn't an option.)

Chris

-- 
Chris Friesen
Software Developer
GENBAND
chris.friesen@genband•com
www.genband.com

      reply	other threads:[~2011-06-06 22:49 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-05-17 18:33 small RPS cache for fragments? David Miller
2011-05-17 20:02 ` Tom Herbert
2011-05-17 20:17   ` Rick Jones
2011-05-17 20:41     ` Rick Jones
2011-05-17 20:49   ` David Miller
2011-05-17 21:00     ` Eric Dumazet
2011-05-17 21:10       ` David Miller
2011-05-17 21:13         ` Rick Jones
2011-05-17 21:13         ` Ben Hutchings
2011-05-17 21:26           ` David Miller
2011-05-17 21:40             ` Rick Jones
2011-05-17 21:27           ` Eric Dumazet
2011-05-17 21:11       ` Rick Jones
2011-05-17 21:11       ` Ben Hutchings
2011-05-17 21:27     ` Tom Herbert
2011-05-17 21:28       ` David Miller
2011-05-17 23:59     ` Changli Gao
2011-05-18  6:37       ` David Miller
2011-05-17 20:14 ` Eric Dumazet
2011-05-17 20:47   ` David Miller
2011-05-17 21:44   ` Andi Kleen
2011-05-17 21:52     ` Eric Dumazet
2011-05-17 22:03       ` Andi Kleen
2011-05-17 21:44 ` David Miller
2011-05-17 21:48   ` Andi Kleen
2011-05-17 21:50     ` David Miller
2011-05-17 22:06       ` Andi Kleen
2011-05-17 22:42       ` Rick Jones
2011-05-24 20:01 ` David Miller
2011-05-24 21:38   ` Rick Jones
2011-06-04 20:29     ` David Miller
2011-06-06 17:08       ` Rick Jones
2011-06-06 17:15         ` Eric Dumazet
2011-06-06 18:06           ` Rick Jones
2011-06-06 19:23           ` David Miller
2011-06-06 19:22         ` David Miller
2011-06-06 20:05           ` Rick Jones
2011-06-06 21:06             ` Jay Vosburgh
2011-06-06 21:40               ` David Miller
2011-06-06 22:49                 ` Chris Friesen [this message]

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