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Date: Wed, 21 Feb 2001 20:33:15 -0300 (EST)
From: Rik van Riel <riel@conectiva.com.br>
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To: <kuznet@ms2.inr.ac.ru>
cc: Magnus Walldal <magnus.walldal@b-linc.com>, <linux-kernel@vger.kernel.org>
Subject: Re: 2.4.1 under heavy network load - more info
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On Wed, 21 Feb 2001 kuznet@ms2.inr.ac.ru wrote:

> > I raised the numbers a little bit more. Now with 128MB RAM in the box we can
> > handle a maximum of 7000 connections. No more because we start to swap too
> > much.
>
> Really? Well, it is unlikely to have something with net.
> Your dumps show that at 6000 connections networking eated less
> than 10MB of memory. Probably, swapping is mistuned.

In that case, could I see some vmstat (and/or top) output of
when the kernel is no longer able to keep up, or maybe even
a way I could reproduce these things at the office ?

I'm really interested in things which make Linux 2.4 break
performance-wise since I'd like to have them fixed before the
distributions start shipping 2.4 as default.

regards,

Rik
--
Virtual memory is like a game you can't win;
However, without VM there's truly nothing to lose...

		http://www.surriel.com/
http://www.conectiva.com/	http://distro.conectiva.com.br/

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