Re: [PLUG] System Resource

[Naresh <nganta@myrealbox.com>]

Actually it was running an environment like MPI. I don't like ulimit(3)
because I didn't find any good docs, examples more imporatant. Do you know
of any good examples of ulimit(3)?

thanks,
Naresh


On Thu, 5 Dec 2002, gabriel rosenkoetter wrote:

> On Thu, Dec 05, 2002 at 11:37:12AM -0500, Naresh wrote:
> > Well, at my univ (Pennstate), AIX is set up so if a user has a process
> > running longer then 45 mins the process is automatically killed. I am sure
> > its possible...
>
> Hrm. That's mainframe-y behavior. (System 390's Linux-like area will
> kill -9 processes if the take more CPU time than is allocated for
> thair LPAR, for instance.)
>
> Sure it wasn't running within some environment like MPI, PVM, or
> Sun's GridEngine?
>
> In any case, AIX behaving in mainframe-y ways wouldn't be totally
> shocking...
>
> ulimit -a in the shells I just tried (sh, csh, ksh, bash2, tcsh,
> zsh) lists cpu time as an option, and it's easy to force that on
> some but not all of your users in /etc/profile (and /etc/csh.cshrc,
> if you've got any C shell-derived shells in /etc/shells) with
> something like this (Bourne syntax, presuming uid 1000 is the user
> to be limited to 1024 seconds of CPU time):
>
> if [ x"id -u" = x"1000" ]; then
> 	ulimit -t 1024
> fi
>
> --
> gabriel rosenkoetter
> gr@eclipsed.net
>
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