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Date: Mon, 12 Aug 2002 17:49:40 -0700
From: Andrew Morton <akpm@zip.com.au>
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To: Adam Kropelin <akropel1@rochester.rr.com>
CC: lkml <linux-kernel@vger.kernel.org>, riel@conectiva.com.br
Subject: Re: [patch 1/21] random fixes
References: <3D56146B.C3CAB5E1@zip.com.au> <20020811142938.GA681@www.kroptech.com> <3D56A83E.ECF747C6@zip.com.au> <20020812002739.GA778@www.kroptech.com> <3D57406E.D39E9B89@zip.com.au> <20020813002603.GA20817@www.kroptech.com>
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Adam Kropelin wrote:
> 
> ...
> > You can make 2.5 use the 2.4 settings with
> >
> > cd /proc/sys/vm
> > echo 30 > dirty_background_ratio
> > echo 60 > dirty_async_ratio
> > echo 70 > dirty_sync_ratio
> 
> These settings bring -akpm in line with stock 2.5.31, but they are both
> still slower than 2.4.19 (which itself could do better, I think).

In that case I'm confounded.  It worked sweetly for me.  Just

	wget ftp://other-machine/600-meg-file

on a machine booted with mem=160m.  Took 63 seconds over 100bT,
steady column of writes in vmstat.

Which ftp client are you using?  And can you strace it, to see how
much data it's writing per system call?
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