prelink process using too much CPU

Mike McCarty Mike.McCarty at
Fri Jun 29 19:31:49 UTC 2007

Jakub Jelinek wrote:
> On Fri, Jun 29, 2007 at 12:08:20PM -0500, Mike McCarty wrote:

[about prelink being quick]

>>That is not my experience, but I use an old version of Fedora.
>>Has prelink been made smarter? It churns through all my discs
>>for about 15 to 30 mins each time.
> Yes, several.  E.g. /etc/cron.daily/prelink won't do anything up to 7 days
> since last prelinking, if rpm database has not been modified.
> prelink.cache now includes even negative hits - files that aren't
> prelinkable, so all it needs to do in quick mode is stat all the files
> in the directories that are given in prelink.conf and not in blacklisted
> and compare the timestamps, ino_t/dev_t's of the files with those stored
> in the cache.  Only what has been modified and whatever depends on the
> modified libraries is prelinked.

Those all sound like good changes. It's still not something I
consider worth doing, but those are indeed improvements.

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