[CLUE-Tech] memory

[Mike Staver]

It's the default Red Hat 7.2 kernel, 2.4.7-10.  I haven't upgraded yet
because the first kernel that has ext3 support was 2.4.16, but like I
said, that little note next to the feature scared me!  If it's not
stable, I don't want to use it just yet.

Dave Anselmi wrote:
> 
> Mike Staver wrote:
> 
> > Is there a way to clear out or simply control how much memory is
> > cached?  I just ordered a gig of ram for this box that only have 384
> > megs before, and I was usually using around 57 megs of swap.  So, I
> > ordered this ram... but now the box is currently using about 1.1 gig,
> > with almost 800 megs being cached.  Is this normal, or should be trying
> > to figure out how to keep the cache lower?
> 
> This is normal and you shouldn't need to worry about it (unless you have a
> 2.4.x kernel where 0<x<10).  As long as there is free ram, Linux prefers to
> cache most everything it uses so it looks like it is memory constrained
> when it isn't really.  If you actually run out and start swapping, I expect
> you'll notice pretty quickly.
> 
> Dave
> 
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-- 

                                -Mike Staver
                                 staver at fimble.com
                                 mstaver at globaltaxnetwork.com
                                 http://www.fimble.com/staver