[Mauiusers] fairshare and backfill

Chris Samuel csamuel at vpac.org
Sat Feb 23 20:57:08 MST 2008


----- "Jim Kusznir" <jkusznir at gmail.com> wrote:

> On the note of this thread, it is also my understanding that
> maui/torque on linux is not able to preempt jobs.  That is to say,
> once a job has been assigned resources and starts running, there is
> no way to "suspend/pause" the job.

I was under the impression that some people had this
working a while ago - basically the job gets sent
SIGSTOP by pbs_mom (more complicated than that, but
you get the idea).

There is also preliminary support for the BCLR
checkpoint/restart kernel module in trunk for Torque
that will checkpoint the job to disk and terminate it,
thus freeing up any resources it was using.

cheers,
Chris
-- 
Christopher Samuel - (03) 9925 4751 - Systems Manager
 The Victorian Partnership for Advanced Computing
 P.O. Box 201, Carlton South, VIC 3053, Australia
VPAC is a not-for-profit Registered Research Agency


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