From: Andi Kleen <andi@firstfloor.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Li_Xin2@emc.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
Subject: Re: TCP keepalive timer problem
Date: Thu, 27 Aug 2009 15:35:22 +0200 [thread overview]
Message-ID: <87skfdl6qt.fsf@basil.nowhere.org> (raw)
In-Reply-To: <4A967FCE.3000807@gmail.com> (Eric Dumazet's message of "Thu, 27 Aug 2009 14:45:02 +0200")
Eric Dumazet <eric.dumazet@gmail.com> writes:
>
> Now, 7200 seconds might be inappropriate for special needs, and considering
> there is no way to change tcp_retries2 for a given socket (only choice being the global
> tcp_retries2 setting), I would vote for a change in our stack, to *relax* RFC,
> and get smaller keepalive timers if possible.
I think the better fix would be to just to only do that when
tcp_retries2 > keep alive time. So keep the existing behaviour
with default keep alive, but switch when the user defined
a very short keep alive.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2009-08-27 13:35 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-25 8:32 TCP keepalive timer problem Li_Xin2
2009-08-25 13:13 ` Eric Dumazet
2009-08-25 14:05 ` Li_Xin2
2009-08-27 12:45 ` Eric Dumazet
2009-08-27 13:35 ` Andi Kleen [this message]
2009-08-27 14:17 ` Eric Dumazet
2009-08-27 14:29 ` Andi Kleen
2009-08-27 14:49 ` Eric Dumazet
2009-08-28 1:55 ` Li_Xin2
2009-08-28 7:05 ` Damian Lukowski
2009-08-25 14:04 ` Andi Kleen
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