Re: 2.4.1 under heavy network load - more info

From: Rik van Riel (
Date: Wed Feb 21 2001 - 18:33:15 EST

On Wed, 21 Feb 2001 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.



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

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