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May 2009

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Subject:
Re: prelink
From:
Akemi Yagi <[log in to unmask]>
Reply To:
Akemi Yagi <[log in to unmask]>
Date:
Fri, 1 May 2009 09:00:05 -0700
Content-Type:
text/plain
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On Fri, May 1, 2009 at 7:59 AM, Arthur Maciel <[log in to unmask]> wrote:
> Hi SciLinux, So I am happily using
>
> $cat /etc/redhat-release
> Scientific Linux Fermi LTS release 4.5 (Wilson)
>
> with one annoying "feature" -- at times, the fan goes full blast,
> the cpu slows down, and I do
>
> $top
>  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
>  5140 root      39  19 11660 8512  512 R 96.6  1.7   5:52.32 prelink
>                                         !!!!-constantly in the 90's
> this state can last for well over 1/2 hr...
> (I have not checked whether this happens at fixed times of day)
>
> What is this prelink business ? do I need it ?
> If not, how do I disable this ?

You can find good info about prelink by a 'man prelink'.  If you wish
to disable it,

(1) edit /etc/sysconfig/prelink and change the first (uncommented)
line to "PRELINKING=no"
(2) run /etc/cron.daily/prelink

Hope this helps,

Akemi

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