Re: Kernel 2.4.16 & Heavy I/O

Roy Sigurd Karlsbakk (roy@karlsbakk.net)
Thu, 6 Dec 2001 19:10:56 +0100 (CET)


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.
> >
> > -
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>
>
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Pablo Borges pablo.borges@uol.com.br
> -------------------------------------------------------------------
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--
Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA

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

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