From: Dan Kegel <dank@kegel.com>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Nimesh vakharia <nvakhari@clio.rad.sunysb.edu>
Subject: Re: [PATCH] tcp_v4_get_port() and ephemeral ports
Date: Sun, 30 Sep 2001 11:29:38 -0700 [thread overview]
Message-ID: <3BB76492.76D014BE@kegel.com> (raw)
In-Reply-To: <Pine.LNX.4.40.0109301114390.7223-100000@blue1.dev.mcafeelabs.com>
Davide Libenzi wrote:
>
> On Sun, 30 Sep 2001, Dan Kegel wrote:
>
> > I'm doing ftp server benchmarking, doing lots of connect()'s.
> > Since ports aren't supposed to be reused for 2MSL (theoretically 120 seconds),
> > the absolute limit on connections per second is 64K/120 = 500.
> > This actually could pose a problem for me. (Yeah, 2MSL is
> > set to 30 seconds in linux, so the problem isn't as severe
> > as the standard says, but it's still a problem.)
>
> net.ipv4.tcp_tw_recycle=1
> net.ipv4.tcp_fin_timeout=8
>
> ONLY FOR TESTING !! :)
OK, thanks, that will help!
I'm still interested in whether that patch I posted makes sense.
bind() *should* work that way, darn it :-)
- Dan
next prev parent reply other threads:[~2001-09-30 18:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-09-30 18:04 [PATCH] tcp_v4_get_port() and ephemeral ports Dan Kegel
2001-09-30 18:16 ` Davide Libenzi
2001-09-30 18:29 ` Dan Kegel [this message]
2001-09-30 18:41 ` Mika Liljeberg
2001-09-30 20:37 ` Dan Kegel
2001-09-30 21:45 ` Mika Liljeberg
2001-09-30 20:53 ` Chris Wedgwood
-- strict thread matches above, loose matches on Subject: below --
2001-09-30 21:15 Andi Kleen
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