[TriLUG] fedora 7 & 8 slowness?

Tim Jowers timjowers at gmail.com
Mon Mar 31 13:45:27 EDT 2008


On Mon, Mar 31, 2008 at 1:28 PM, Lance A. Brown <lance at bearcircle.net>
wrote:

> Tim Jowers wrote:
> >   Conclusion. Laptops have slow disks and todays applications do a lot
> of
> > initialization at startup rather than being architected to do these
> things
> > in a lazy bg thread or in a cached way. E.g. Firefox is 6K and my disk
> > transfers at 55MB/s with hdparm; so, it "should" startup with a second
> or
> > so. Where's the sloth? Clearly the hdparm read transfer time is far more
> > optimistic than the real time to read Firefox from the disk. Talking to
> the
> > X layer? Drawing the windows? Doing some update check to the web (this
> one
> > should not be a differentiator as we compared apples-to-apples with
> > Firefox)?
>
> Firefox isn't, by any means, only 6K.  The script in /usr/bin is 6K, but
> it ends up firing up, eventually, firefox-bin, which is 127K and links
> into 42 different shared libraries on my centos5 box.  Some of those
> shared libs are firefox specific, as well, so they won't be in memory
> before firefox is run.
>
> That just means even more files and more data to read into memory before
> firefox can start up properly.


You're right. Don't know what I was thinking!  :-)


>
>
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