Re: "why is my Linux so damn slow?"

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On Sat, 12 Feb 2011 14:51:25 +0100, M. Fioretti wrote:

> Greetings,
> when I upgraded from Fedora 12 to Fedora 14, about twenty days ago, the
> system (which wasn't doing really well even before the upgrade) became
> almost unusable. The problem is, very likely, upstream of Fedora, but I
> would like to understand where exactly is and if/how Fedora in some way
> amplifies it. I've posted all details here:
> TIA,
> Marco

I skimmed your writeup, but didn't look at all of the installed packages.

My environment is much less powerful than yours, and it's pretty 

Fedora 14
2.6 GHz P4
1.5 GB memory
Overclocked NVidia 7600 GS with 260.19.36 (built by hand, not rpm)
Samsung Synchmaster at 1680x1050
KDE 4.5.5

I run the standard desktop effects. I've tried some of the more esoteric 
ones, but I find that they're distracting.

I run into some slowdowns. I've commented on my OpenOffice Calc issues. 
Flash is slow (but it's slow in Windows as well). When I stress test 
Tomcat/MySQL or Tomcat/Derby applications my load average goes to 11 
(literally) while running around 500 transactions per minute.

This sounds like an NVidia driver issue. I suggest wandering over to and reading the Linux support forum.

In particular, I have the following set:

nvidia-settings -a PixmapCache=1
nvidia-settings -a InitialPixmapPlacement=2
nvidia-settings -a GlyphCache=1

I've placed these (and my overclocking commands) in a script called I then have the following line in my .xinitrc file:


I also have a customized xorg.conf file, and I've modified my fonts 
(installed MS Core fonts and customized a .fonts.conf file).

This works well for me. Your mileage may vary.

. . . . just my two cents.


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