[Bioclusters] OpenPBS problems

[Ami Klein]

On Tuesday 02 December 2003 16:38, Rayson Ho wrote:
> --- Tim Cutts <tjrc@sanger.ac.uk> wrote:
> > > The closest thing you can use is checkpointing. I
> > > don't think a batch system can tell the OS to "swap
> > > processes to disk".
> >
> > LSF can, although it is of course another example that costs $$.
> > Different queues can be configured to 'preempt' each other.  A
> > pre-empted job in a low priority queue is sent a SIGSTOP by LSF, and
> > will get a corresponding resume signal once the higher priority job
> > has finished.
>
> Sending SIGSTOP is different from swapping the whole process to disk!
>
> All batch systems (SGE, PBS, LSF) can send SIGSTOP to the job, but
> stopping the process still consumes the system resource. Eventually,
> the swap partition will be used up by suspended jobs.
>
> Rayson
>
Can one configure PBS to automatically send SIGSTOP to jobs in low priori=
ty=20
queue and use it's cpu for jobs in a higher priority queue?

--=20
Ami=20