Mailinglist Archive: opensuse (4498 mails)

["Amit Joshi" <mckagan@xxxxxxxxx>]

On 11/3/06, Sebastian Reitenbach <reitenbach@xxxxxxxxxxx> wrote:
> Hi all,
>
> I want to limit the resources like processor usage, or memory allocation
> for
> the users. So after some digging I found the /etc/security/limits.conf
> file.
>
> what I exactly want is to say user X is not allowed to use more than 50%
> of
> the cpu at a time, only in case the cpu would be idle, he is allowed to
> take
> more cpu cycles.
>
> I found the cpu parameter in the limits.conf file, which specifies the
> maximum
> time in minutes that a process can use the cpu. I have a slight problem to
> understand that. What when I have a long running process, taking days to
> compute, and I set the value to 10 minutes?
> will the process stop working after it used all the ten minutes of  cpu
> time?
>
> also with using nice I cannot specifically say use only 50% of the cpu
> cycles
> in general, and only when idle otherwise use more.
>
> any idea how I can limit cpu resources as described above?
>
> kind regards
> Sebastian




Sounds interesting.
But I am not sure it will give you a stable system.

I wonder if setting priority for applications in Windows is similar to this.

Uh..I don't exactly understand what  happened after changing priority of
applications in Windows (from the Task Manager), but yeah..i guess it had to
do with allocation of CPU resources.

But well..I don't know..it was a Windows thing. Once I changed the priority
of one application to high (highest was Real-time) and lol...my system got
seriously unstable...doing weird things all the way!!

Would be interesting for me to find out how Linux handles the situation.




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