Re: prelink performance gains

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Once upon a time, Jan Kratochvil <jan.kratochvil@xxxxxxxxxx> said:
> On Tue, 15 Oct 2013 19:42:25 +0200, Reindl Harald wrote:
> > * look at the amount of updates and how they hit prelinked libraries until
> >   prelink ran again
> > * look at the "lsof | grep DEL | grep /usr" output caused by prelink
> 
> Sorry I do not see what disadvantage is it?

If you install updates, reboot, and log in, you are running
non-prelinked binaries/libraries.  If you don't log out (just lock
screen or suspend for example), when you next use the system after
prelink has run, new programs will use the prelinked bins/libs.  Now you
are wasting a chunk of RAM, as it can't be shared between non-prelinked
and prelinked bins/libs.

-- 
Chris Adams <linux@xxxxxxxxxxx>
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