From: David Miller <davem@davemloft.net>
To: shemminger@osdl.org
Cc: woodard@redhat.com, netdev@vger.kernel.org, mgrondona@llnl.gov,
behlendorf1@llnl.gov
Subject: Re: [PATCH] Customizable TCP backoff patch
Date: Wed, 27 Sep 2006 19:06:01 -0700 (PDT) [thread overview]
Message-ID: <20060927.190601.26530992.davem@davemloft.net> (raw)
In-Reply-To: <20060927160044.68ffca2e@freekitty>
From: Stephen Hemminger <shemminger@osdl.org>
Date: Wed, 27 Sep 2006 16:00:44 -0700
> On Wed, 27 Sep 2006 16:16:38 -0700 (PDT)
> David Miller <davem@davemloft.net> wrote:
>
> > From: Ben Woodard <woodard@redhat.com>
> > Date: Wed, 27 Sep 2006 11:52:57 -0700
> >
> > > Because these are general utility clusters we run many different
> > > programs and so trying to fix this problem in the application is not
> > > possible since there are literally hundreds if not thousands of them.
> >
> > Then why add a socket option setting as your patch does? :-)
> >
> > I also object to the socket option setting being allowed for
> > any user because this can have awful effects if allowed by
> > arbitrary users on arbitrary networks.
>
> Setting a cwnd limit would do the same thing.
Not really :-)
It would not influence the TCP retransmit timeouts and
backoff, although it would influence the congestion window
handling during recovery after such timeout based losses.
next prev parent reply other threads:[~2006-09-28 2:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-27 18:52 [PATCH] Customizable TCP backoff patch Ben Woodard
2006-09-27 23:16 ` David Miller
2006-09-27 23:00 ` Stephen Hemminger
2006-09-28 2:06 ` David Miller [this message]
2006-10-03 18:14 ` Ben Woodard
2006-10-04 7:07 ` David Miller
2006-10-04 8:56 ` Ingo Oeser
2006-10-04 9:08 ` David Miller
2006-10-04 17:17 ` Stephen Hemminger
2006-10-11 1:46 ` Ben Woodard
2006-10-11 1:59 ` YOSHIFUJI Hideaki / 吉藤英明
2006-10-11 2:53 ` David Miller
2006-10-11 2:54 ` David Miller
2006-10-11 14:01 ` Vlad Yasevich
2006-10-12 0:51 ` Ben Woodard
2006-10-12 1:06 ` YOSHIFUJI Hideaki / 吉藤英明
2006-10-12 15:49 ` Ben Woodard
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