From: David Miller <davem@davemloft.net>
To: lucas.nussbaum@loria.fr
Cc: sangtae.ha@gmail.com, shemminger@vyatta.com, netdev@vger.kernel.org
Subject: Re: [PATCH] tcp_cubic: enable TCP timestamps
Date: Tue, 08 Mar 2011 11:38:53 -0800 (PST) [thread overview]
Message-ID: <20110308.113853.115934120.davem@davemloft.net> (raw)
In-Reply-To: <20110308193602.GA14526@xanadu.blop.info>
From: Lucas Nussbaum <lucas.nussbaum@loria.fr>
Date: Tue, 8 Mar 2011 20:36:02 +0100
> My other patch mitigates the performance problem by making it harder for
> Hystart to abort slow start. But after a few days working on this issue,
> I'm wondering whether Hystart shouldn't be completely rewritten to work
> on the usec values, or disabled by default.
I am of the opinion that Hystart, like TCP VEGAS, fundamentally cannot
work.
It's disabled in several major distributions because of the performance
problems you noticed, and this was on my own personal recommendation.
next prev parent reply other threads:[~2011-03-08 19:38 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-08 8:09 [PATCH] tcp_cubic: enable TCP timestamps Lucas Nussbaum
2011-03-08 18:42 ` Stephen Hemminger
2011-03-08 18:55 ` David Miller
2011-03-08 19:15 ` Sangtae Ha
2011-03-08 19:36 ` Lucas Nussbaum
2011-03-08 19:38 ` David Miller [this message]
2011-03-08 19:17 ` Stephen Hemminger
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