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Date: Thu, 6 Dec 2001 19:10:56 +0100 (CET)
From: Roy Sigurd Karlsbakk <roy@karlsbakk.net>
To: Pablo Borges <pablo.borges@uol.com.br>
cc: <linux-kernel@vger.kernel.org>
Subject: Re: Kernel 2.4.16 & Heavy I/O
In-Reply-To: <20011206160630.1f4ab058.pablo.borges@uol.com.br>
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Is it really neccecary? Free memory's a waste! The cache will be discarded
the moment an application needs the memory.

what's the problem? It speeds up disk I/O for recently used files

On Thu, 6 Dec 2001, Pablo Borges wrote:

>
> Don't we have a "dont't eat my whole memory, disk cache" option on linux ?
>
>
> On Wed, 5 Dec 2001 21:07:42 +0100 (CET)
> Roy Sigurd Karlsbakk <roy@karlsbakk.net> wrote:
>
> > > > Absolutely all free memory may be used for disk caching.  So
> > > > no, you can't get a bigger cache because it is already at
> > > > the highest possible setting.  You don't have more memory
> > > > for this - all is used already.
> > >
> > > May I limit this memory ? For a long time I'm working all day with no
> > > physical memory available.
> >
> > You can try rtlinux. In rtlinux (realtime linux), you tell linux how
> > much memory the kernel will have access to, and let specially written
> > apps to take the rest
> > --
> > Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA
> >
> > Computers are like air conditioners.
> > They stop working when you open Windows.
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel"
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> > Please read the FAQ at  http://www.tux.org/lkml/
> >
>
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Pablo Borges                                pablo.borges@uol.com.br
> -------------------------------------------------------------------
>   ____                                               Tecnologia UOL
>  /    \    Debian:
>  |  =_/      The 100% suck free linux distro.
>   \
>     \      SETI is lame. http://www.distributed.net
>                                                      Dnetc is XNUG!
>

--
Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA

Computers are like air conditioners.
They stop working when you open Windows.


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